We look at the division of 61891839 by 363 
The aim is to understand the frequency of 363 in 61891839.

Let's proceed to step 1:
If we divide 6 by 363, we get 0 and a remainder of 6.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 6 and we're left with 6.
Include the next digit (1) from the dividend after 6, then repeat: 61 / 363

Advancing to step 2:
When dividing 61 by 363, we get 0 with a remainder of 61.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 61, we end up with 61.
Include the next digit (8) from the dividend after 61, then repeat: 618 / 363

On to step 3:
363 goes into 618 1 times with a remainder of 255.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
Subtract 363 from 618 to get 255.
Append the next digit (9) from the dividend to 255 and continue with: 2559 / 363

Going ahead to step 4:
If we divide 2559 by 363, we get 7 and a remainder of 18.
Record the quotient 7 as the next digit in the result. 
Result so far: 17.0
Deduct 2541 from 2559 and we're left with 18.
Fetch the next digit (1) from the dividend, attach it to 18 and continue: 181 / 363

Advancing to step 5:
When dividing 181 by 363, we get 0 with a remainder of 181.
The number 0 becomes the next digit in our result. 
Result so far: 170.0
If we take 0 away from 181, we end up with 181.
Fetch the next digit (8) from the dividend, attach it to 181 and continue: 1818 / 363

On to step 6:
363 goes into 1818 5 times with a remainder of 3.
Record the quotient 5 as the next digit in the result. 
Result so far: 1705.0
If we subtract 1815 from 1818, we get 3.
Take the next digit (3) from the dividend and append it to 3, then repeat: 33 / 363

Advancing to step 7:
If we divide 33 by 363, we get 0 and a remainder of 33.
Use 0 as the next digit of our solution. 
Result so far: 17050.0
Subtract 0 from 33 to get 33.
Fetch the next digit (9) from the dividend, attach it to 33 and continue: 339 / 363

Let's proceed to step 8:
The number 363 fits into 339 0 times, leaving a remainder of 339.
The next digit of our result is 0. 
Result so far: 170500.0
If we subtract 0 from 339, we get 339.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3390, and continue the process.

Moving on to step 9:
If we divide 3390 by 363, we get 9 and a remainder of 123.
The next digit of our result is 9. 
Result so far: 170500.9
If we subtract 3267 from 3390, we get 123.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1230, and continue the process.

Step 10:
363 can be fit into 1230 3 times, resulting in a remainder of 141.
Write down 3 as next digit of the result. 
Result so far: 170500.93
Subtract 1089 from 1230 to get 141.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1410, and continue the process.

Moving on to step 11:
363 goes into 1410 3 times with a remainder of 321.
Write down 3 as next digit of the result. 
Result so far: 170500.933
The remainder is 321 after subtracting 1089 from 1410.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3210, and continue the process.

Our division results in 170500.933 with a remaining 0.0321.