83611819 divided by 431 
Our goal is to divide 83611819 by 431.

On to step 1:
When dividing 8 by 431, we get 0 with a remainder of 8.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 8, we get 8.
Grab the next digit (3) from the dividend, add it to 8, then carry on: 83 / 431

On to step 2:
If we divide 83 by 431, we get 0 and a remainder of 83.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 83, we end up with 83.
Include the next digit (6) from the dividend after 83, then repeat: 836 / 431

On to step 3:
431 goes into 836 1 times with a remainder of 405.
Use 1 as the next digit of our solution. 
Result so far: 1.0
Deduct 431 from 836 and we're left with 405.
Take the next digit (1) from the dividend and append it to 405, then repeat: 4051 / 431

Step 4:
The number 431 fits into 4051 9 times, leaving a remainder of 172.
Record the quotient 9 as the next digit in the result. 
Result so far: 19.0
Deduct 3879 from 4051 and we're left with 172.
Grab the next digit (1) from the dividend, add it to 172, then carry on: 1721 / 431

Moving on to step 5:
When dividing 1721 by 431, we get 3 with a remainder of 428.
The number 3 becomes the next digit in our result. 
Result so far: 193.0
If we subtract 1293 from 1721, we get 428.
Include the next digit (8) from the dividend after 428, then repeat: 4288 / 431

Step 6:
4288 divided by 431 is 9 with a remainder of 409.
Use 9 as the next digit of our solution. 
Result so far: 1939.0
The remainder is 409 after subtracting 3879 from 4288.
Include the next digit (1) from the dividend after 409, then repeat: 4091 / 431

Going ahead to step 7:
431 goes into 4091 9 times with a remainder of 212.
The number 9 becomes the next digit in our result. 
Result so far: 19399.0
If we take 3879 away from 4091, we end up with 212.
Append the next digit (9) from the dividend to 212 and continue with: 2129 / 431

Moving on to step 8:
If we divide 2129 by 431, we get 4 and a remainder of 405.
The number 4 becomes the next digit in our result. 
Result so far: 193994.0
Subtract 1724 from 2129 to get 405.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4050, and continue the process.

Moving on to step 9:
431 goes into 4050 9 times with a remainder of 171.
Write down 9 as next digit of the result. 
Result so far: 193994.9
If we take 3879 away from 4050, we end up with 171.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1710, and continue the process.

Moving on to step 10:
431 goes into 1710 3 times with a remainder of 417.
Use 3 as the next digit of our solution. 
Result so far: 193994.93
Subtract 1293 from 1710 to get 417.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4170, and continue the process.

Going ahead to step 11:
4170 divided by 431 is 9 with a remainder of 291.
The next digit of our result is 9. 
Result so far: 193994.939
If we take 3879 away from 4170, we end up with 291.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2910, and continue the process.

Let's proceed to step 12:
When dividing 2910 by 431, we get 6 with a remainder of 324.
Write down 6 as next digit of the result. 
Result so far: 193994.9396
Deduct 2586 from 2910 and we're left with 324.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3240, and continue the process.

Moving on to step 13:
3240 divided by 431 is 7 with a remainder of 223.
Write down 7 as next digit of the result. 
Result so far: 193994.93967
Deduct 3017 from 3240 and we're left with 223.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2230, and continue the process.

Step 14:
431 goes into 2230 5 times with a remainder of 75.
Use 5 as the next digit of our solution. 
Result so far: 193994.939675
Subtract 2155 from 2230 to get 75.
Since there are no more digits in the dividend, we add a zero to the remainder making it 750, and continue the process.

Moving on to step 15:
The number 431 fits into 750 1 times, leaving a remainder of 319.
Record the quotient 1 as the next digit in the result. 
Result so far: 193994.9396751
Deduct 431 from 750 and we're left with 319.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3190, and continue the process.

On to step 16:
When dividing 3190 by 431, we get 7 with a remainder of 173.
Write down 7 as next digit of the result. 
Result so far: 193994.93967517
Subtract 3017 from 3190 to get 173.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1730, and continue the process.

The final outcome is 193994.93967517, with a leftover of 1.73e-07.