We look at the division of 49507617 by 236 
The aim is to understand the frequency of 236 in 49507617.

On to step 1:
236 goes into 4 0 times with a remainder of 4.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 4, we get 4.
Grab the next digit (9) from the dividend, add it to 4, then carry on: 49 / 236

Let's proceed to step 2:
49 divided by 236 is 0 with a remainder of 49.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 49 to get 49.
Append the next digit (5) from the dividend to 49 and continue with: 495 / 236

Moving on to step 3:
If we divide 495 by 236, we get 2 and a remainder of 23.
The number 2 becomes the next digit in our result. 
Result so far: 2.0
Subtracting 472 from 495 leaves us with 23.
Bring next digit (0) of the dividend behind the 23 and repeat the process: 230 / 236

On to step 4:
236 can be fit into 230 0 times, resulting in a remainder of 230.
Put 0 as the next digit of the answer. 
Result so far: 20.0
If we take 0 away from 230, we end up with 230.
Bring next digit (7) of the dividend behind the 230 and repeat the process: 2307 / 236

Step 5:
2307 divided by 236 is 9 with a remainder of 183.
The number 9 becomes the next digit in our result. 
Result so far: 209.0
The remainder is 183 after subtracting 2124 from 2307.
Bring next digit (6) of the dividend behind the 183 and repeat the process: 1836 / 236

Advancing to step 6:
The number 236 fits into 1836 7 times, leaving a remainder of 184.
Record the quotient 7 as the next digit in the result. 
Result so far: 2097.0
The remainder is 184 after subtracting 1652 from 1836.
Append the next digit (1) from the dividend to 184 and continue with: 1841 / 236

Going ahead to step 7:
236 goes into 1841 7 times with a remainder of 189.
Write down 7 as next digit of the result. 
Result so far: 20977.0
Subtracting 1652 from 1841 leaves us with 189.
Bring next digit (7) of the dividend behind the 189 and repeat the process: 1897 / 236

Let's proceed to step 8:
236 goes into 1897 8 times with a remainder of 9.
The next digit of our result is 8. 
Result so far: 209778.0
If we subtract 1888 from 1897, we get 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

On to step 9:
236 can be fit into 90 0 times, resulting in a remainder of 90.
Use 0 as the next digit of our solution. 
Result so far: 209778.0
The remainder is 90 after subtracting 0 from 90.
Since there are no more digits in the dividend, we add a zero to the remainder making it 900, and continue the process.

Going ahead to step 10:
The number 236 fits into 900 3 times, leaving a remainder of 192.
Put 3 as the next digit of the answer. 
Result so far: 209778.03
Subtracting 708 from 900 leaves us with 192.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1920, and continue the process.

Going ahead to step 11:
236 can be fit into 1920 8 times, resulting in a remainder of 32.
Write down 8 as next digit of the result. 
Result so far: 209778.038
Subtracting 1888 from 1920 leaves us with 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

On to step 12:
320 divided by 236 is 1 with a remainder of 84.
Write down 1 as next digit of the result. 
Result so far: 209778.0381
If we subtract 236 from 320, we get 84.
Since there are no more digits in the dividend, we add a zero to the remainder making it 840, and continue the process.

On to step 13:
236 goes into 840 3 times with a remainder of 132.
The next digit of our result is 3. 
Result so far: 209778.03813
The remainder is 132 after subtracting 708 from 840.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1320, and continue the process.

Going ahead to step 14:
1320 divided by 236 is 5 with a remainder of 140.
Write down 5 as next digit of the result. 
Result so far: 209778.038135
Subtract 1180 from 1320 to get 140.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1400, and continue the process.

On to step 15:
236 goes into 1400 5 times with a remainder of 220.
The next digit of our result is 5. 
Result so far: 209778.0381355
The remainder is 220 after subtracting 1180 from 1400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2200, and continue the process.

The final outcome is 209778.0381355, with a leftover of 2.2e-06.