We look at the division of 73922246 by 728 
The aim is to understand the frequency of 728 in 73922246.

Advancing to step 1:
The number 728 fits into 7 0 times, leaving a remainder of 7.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 7 and we're left with 7.
Append the next digit (3) from the dividend to 7 and continue with: 73 / 728

On to step 2:
If we divide 73 by 728, we get 0 and a remainder of 73.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 73, we end up with 73.
Bring next digit (9) of the dividend behind the 73 and repeat the process: 739 / 728

Step 3:
739 divided by 728 is 1 with a remainder of 11.
The next digit of our result is 1. 
Result so far: 1.0
If we take 728 away from 739, we end up with 11.
Take the next digit (2) from the dividend and append it to 11, then repeat: 112 / 728

Moving on to step 4:
112 divided by 728 is 0 with a remainder of 112.
Use 0 as the next digit of our solution. 
Result so far: 10.0
If we subtract 0 from 112, we get 112.
Bring next digit (2) of the dividend behind the 112 and repeat the process: 1122 / 728

Step 5:
The number 728 fits into 1122 1 times, leaving a remainder of 394.
Use 1 as the next digit of our solution. 
Result so far: 101.0
If we subtract 728 from 1122, we get 394.
Grab the next digit (2) from the dividend, add it to 394, then carry on: 3942 / 728

Step 6:
728 can be fit into 3942 5 times, resulting in a remainder of 302.
The number 5 becomes the next digit in our result. 
Result so far: 1015.0
If we take 3640 away from 3942, we end up with 302.
Append the next digit (4) from the dividend to 302 and continue with: 3024 / 728

Let's proceed to step 7:
3024 divided by 728 is 4 with a remainder of 112.
The number 4 becomes the next digit in our result. 
Result so far: 10154.0
The remainder is 112 after subtracting 2912 from 3024.
Grab the next digit (6) from the dividend, add it to 112, then carry on: 1126 / 728

Moving on to step 8:
The number 728 fits into 1126 1 times, leaving a remainder of 398.
Write down 1 as next digit of the result. 
Result so far: 101541.0
The remainder is 398 after subtracting 728 from 1126.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3980, and continue the process.

Let's proceed to step 9:
728 can be fit into 3980 5 times, resulting in a remainder of 340.
Write down 5 as next digit of the result. 
Result so far: 101541.5
Deduct 3640 from 3980 and we're left with 340.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3400, and continue the process.

On to step 10:
When dividing 3400 by 728, we get 4 with a remainder of 488.
Record the quotient 4 as the next digit in the result. 
Result so far: 101541.54
Deduct 2912 from 3400 and we're left with 488.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4880, and continue the process.

Going ahead to step 11:
The number 728 fits into 4880 6 times, leaving a remainder of 512.
The next digit of our result is 6. 
Result so far: 101541.546
If we take 4368 away from 4880, we end up with 512.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5120, and continue the process.

Advancing to step 12:
When dividing 5120 by 728, we get 7 with a remainder of 24.
Record the quotient 7 as the next digit in the result. 
Result so far: 101541.5467
If we subtract 5096 from 5120, we get 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Moving on to step 13:
728 goes into 240 0 times with a remainder of 240.
Put 0 as the next digit of the answer. 
Result so far: 101541.5467
Subtracting 0 from 240 leaves us with 240.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2400, and continue the process.

Step 14:
728 can be fit into 2400 3 times, resulting in a remainder of 216.
Write down 3 as next digit of the result. 
Result so far: 101541.546703
Subtracting 2184 from 2400 leaves us with 216.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2160, and continue the process.

On to step 15:
When dividing 2160 by 728, we get 2 with a remainder of 704.
Write down 2 as next digit of the result. 
Result so far: 101541.5467032
Subtracting 1456 from 2160 leaves us with 704.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7040, and continue the process.

Advancing to step 16:
The number 728 fits into 7040 9 times, leaving a remainder of 488.
Put 9 as the next digit of the answer. 
Result so far: 101541.54670329
Subtract 6552 from 7040 to get 488.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4880, and continue the process.

After the division, we end up with 101541.54670329 and a remainder of 4.88e-07.