Let's divide 71691804 by 522
The aim is to understand the frequency of 522 in 71691804.

Step 1:
7 divided by 522 is 0 with a remainder of 7.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 7 leaves us with 7.
Fetch the next digit (1) from the dividend, attach it to 7 and continue: 71 / 522

On to step 2:
522 goes into 71 0 times with a remainder of 71.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 71 after subtracting 0 from 71.
Take the next digit (6) from the dividend and append it to 71, then repeat: 716 / 522

Advancing to step 3:
522 can be fit into 716 1 times, resulting in a remainder of 194.
Write down 1 as next digit of the result. 
Result so far: 1.0
Subtracting 522 from 716 leaves us with 194.
Take the next digit (9) from the dividend and append it to 194, then repeat: 1949 / 522

Step 4:
1949 divided by 522 is 3 with a remainder of 383.
Use 3 as the next digit of our solution. 
Result so far: 13.0
Subtract 1566 from 1949 to get 383.
Fetch the next digit (1) from the dividend, attach it to 383 and continue: 3831 / 522

Moving on to step 5:
522 goes into 3831 7 times with a remainder of 177.
Write down 7 as next digit of the result. 
Result so far: 137.0
If we subtract 3654 from 3831, we get 177.
Bring next digit (8) of the dividend behind the 177 and repeat the process: 1778 / 522

On to step 6:
522 can be fit into 1778 3 times, resulting in a remainder of 212.
The number 3 becomes the next digit in our result. 
Result so far: 1373.0
Subtracting 1566 from 1778 leaves us with 212.
Grab the next digit (0) from the dividend, add it to 212, then carry on: 2120 / 522

Let's proceed to step 7:
When dividing 2120 by 522, we get 4 with a remainder of 32.
Use 4 as the next digit of our solution. 
Result so far: 13734.0
Subtracting 2088 from 2120 leaves us with 32.
Grab the next digit (4) from the dividend, add it to 32, then carry on: 324 / 522

On to step 8:
522 goes into 324 0 times with a remainder of 324.
The number 0 becomes the next digit in our result. 
Result so far: 137340.0
The remainder is 324 after subtracting 0 from 324.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3240, and continue the process.

Let's proceed to step 9:
If we divide 3240 by 522, we get 6 and a remainder of 108.
Record the quotient 6 as the next digit in the result. 
Result so far: 137340.6
If we subtract 3132 from 3240, we get 108.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1080, and continue the process.

Moving on to step 10:
If we divide 1080 by 522, we get 2 and a remainder of 36.
Use 2 as the next digit of our solution. 
Result so far: 137340.62
Subtracting 1044 from 1080 leaves us with 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

On to step 11:
The number 522 fits into 360 0 times, leaving a remainder of 360.
Record the quotient 0 as the next digit in the result. 
Result so far: 137340.62
Subtracting 0 from 360 leaves us with 360.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3600, and continue the process.

Moving on to step 12:
The number 522 fits into 3600 6 times, leaving a remainder of 468.
Write down 6 as next digit of the result. 
Result so far: 137340.6206
Deduct 3132 from 3600 and we're left with 468.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4680, and continue the process.

On to step 13:
The number 522 fits into 4680 8 times, leaving a remainder of 504.
Write down 8 as next digit of the result. 
Result so far: 137340.62068
If we subtract 4176 from 4680, we get 504.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5040, and continue the process.

On to step 14:
The number 522 fits into 5040 9 times, leaving a remainder of 342.
Record the quotient 9 as the next digit in the result. 
Result so far: 137340.620689
Deduct 4698 from 5040 and we're left with 342.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3420, and continue the process.

On to step 15:
The number 522 fits into 3420 6 times, leaving a remainder of 288.
The number 6 becomes the next digit in our result. 
Result so far: 137340.6206896
Subtract 3132 from 3420 to get 288.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2880, and continue the process.

Advancing to step 16:
522 goes into 2880 5 times with a remainder of 270.
The next digit of our result is 5. 
Result so far: 137340.62068965
Subtracting 2610 from 2880 leaves us with 270.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2700, and continue the process.

The final outcome is 137340.62068965, with a leftover of 2.7e-07.