We look at the division of 51819784 by 239 
Our goal is to divide 51819784 by 239.

Going ahead to step 1:
239 goes into 5 0 times with a remainder of 5.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 5, we get 5.
Append the next digit (1) from the dividend to 5 and continue with: 51 / 239

Let's proceed to step 2:
When dividing 51 by 239, we get 0 with a remainder of 51.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 51 and we're left with 51.
Append the next digit (8) from the dividend to 51 and continue with: 518 / 239

Let's proceed to step 3:
239 can be fit into 518 2 times, resulting in a remainder of 40.
Use 2 as the next digit of our solution. 
Result so far: 2.0
The remainder is 40 after subtracting 478 from 518.
Grab the next digit (1) from the dividend, add it to 40, then carry on: 401 / 239

Moving on to step 4:
When dividing 401 by 239, we get 1 with a remainder of 162.
Write down 1 as next digit of the result. 
Result so far: 21.0
Subtract 239 from 401 to get 162.
Append the next digit (9) from the dividend to 162 and continue with: 1629 / 239

Advancing to step 5:
When dividing 1629 by 239, we get 6 with a remainder of 195.
Write down 6 as next digit of the result. 
Result so far: 216.0
The remainder is 195 after subtracting 1434 from 1629.
Include the next digit (7) from the dividend after 195, then repeat: 1957 / 239

Moving on to step 6:
239 can be fit into 1957 8 times, resulting in a remainder of 45.
Put 8 as the next digit of the answer. 
Result so far: 2168.0
If we take 1912 away from 1957, we end up with 45.
Take the next digit (8) from the dividend and append it to 45, then repeat: 458 / 239

Going ahead to step 7:
239 can be fit into 458 1 times, resulting in a remainder of 219.
Record the quotient 1 as the next digit in the result. 
Result so far: 21681.0
If we subtract 239 from 458, we get 219.
Include the next digit (4) from the dividend after 219, then repeat: 2194 / 239

Moving on to step 8:
239 can be fit into 2194 9 times, resulting in a remainder of 43.
The number 9 becomes the next digit in our result. 
Result so far: 216819.0
Subtract 2151 from 2194 to get 43.
Since there are no more digits in the dividend, we add a zero to the remainder making it 430, and continue the process.

Let's proceed to step 9:
The number 239 fits into 430 1 times, leaving a remainder of 191.
The next digit of our result is 1. 
Result so far: 216819.1
If we take 239 away from 430, we end up with 191.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1910, and continue the process.

Step 10:
If we divide 1910 by 239, we get 7 and a remainder of 237.
The number 7 becomes the next digit in our result. 
Result so far: 216819.17
If we take 1673 away from 1910, we end up with 237.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2370, and continue the process.

On to step 11:
The number 239 fits into 2370 9 times, leaving a remainder of 219.
Record the quotient 9 as the next digit in the result. 
Result so far: 216819.179
If we take 2151 away from 2370, we end up with 219.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2190, and continue the process.

Advancing to step 12:
When dividing 2190 by 239, we get 9 with a remainder of 39.
Put 9 as the next digit of the answer. 
Result so far: 216819.1799
If we subtract 2151 from 2190, we get 39.
Since there are no more digits in the dividend, we add a zero to the remainder making it 390, and continue the process.

The final result is 216819.1799 with a remainder of 0.00039.