You need to figure out how to get that
toy simulator you are using to do a
Bode plot (frequency response) . You are driving your proposed circuit with 60Hz, instead of sweeping the frequency from ~1KHz to about 1MegHz.
As Jim said, you are overdriving the input.
A 741 amplifier does not even come close to having sufficient gain-bandwidth product to do this job.
The values used in the input and feed back at the opamps are way off. Try to constrain them to be between ~10K and 1MegOhm.
There is no need to have a third opamp to get the gain. Set up the HP and LP sections so each has a small gain such that Glp*Ghp = 7.
I took your circuit, changed one resistor, and here is the Bode Plot showing a gain of 7 in the pass band. You still must change the design to get more reasonable values for R1,2,3 and 6. Note that I am driving the input with 1v and getting 7V out. How did I do that?
Also, if you look at the Bode Plot, you are not getting the filter rolloff sufficient to be at 0.707*7V at 45kHz and at 55kHz. You will need to use a at least a 2-pole filter for each the HP and LP sections, for a total of 4 poles...