81778143 ÷ 430 
Our goal is to divide 81778143 by 430.

On to step 1:
8 divided by 430 is 0 with a remainder of 8.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 8 leaves us with 8.
Bring next digit (1) of the dividend behind the 8 and repeat the process: 81 / 430

On to step 2:
81 divided by 430 is 0 with a remainder of 81.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 81 to get 81.
Take the next digit (7) from the dividend and append it to 81, then repeat: 817 / 430

Going ahead to step 3:
When dividing 817 by 430, we get 1 with a remainder of 387.
Write down 1 as next digit of the result. 
Result so far: 1.0
Subtracting 430 from 817 leaves us with 387.
Grab the next digit (7) from the dividend, add it to 387, then carry on: 3877 / 430

Step 4:
430 goes into 3877 9 times with a remainder of 7.
Record the quotient 9 as the next digit in the result. 
Result so far: 19.0
Subtracting 3870 from 3877 leaves us with 7.
Append the next digit (8) from the dividend to 7 and continue with: 78 / 430

Moving on to step 5:
When dividing 78 by 430, we get 0 with a remainder of 78.
Use 0 as the next digit of our solution. 
Result so far: 190.0
If we take 0 away from 78, we end up with 78.
Bring next digit (1) of the dividend behind the 78 and repeat the process: 781 / 430

Advancing to step 6:
430 goes into 781 1 times with a remainder of 351.
Write down 1 as next digit of the result. 
Result so far: 1901.0
Subtracting 430 from 781 leaves us with 351.
Fetch the next digit (4) from the dividend, attach it to 351 and continue: 3514 / 430

Let's proceed to step 7:
If we divide 3514 by 430, we get 8 and a remainder of 74.
The next digit of our result is 8. 
Result so far: 19018.0
If we take 3440 away from 3514, we end up with 74.
Append the next digit (3) from the dividend to 74 and continue with: 743 / 430

Advancing to step 8:
430 can be fit into 743 1 times, resulting in a remainder of 313.
Use 1 as the next digit of our solution. 
Result so far: 190181.0
If we subtract 430 from 743, we get 313.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3130, and continue the process.

Advancing to step 9:
430 can be fit into 3130 7 times, resulting in a remainder of 120.
The next digit of our result is 7. 
Result so far: 190181.7
If we subtract 3010 from 3130, we get 120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1200, and continue the process.

Going ahead to step 10:
When dividing 1200 by 430, we get 2 with a remainder of 340.
Use 2 as the next digit of our solution. 
Result so far: 190181.72
If we subtract 860 from 1200, we get 340.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3400, and continue the process.

Advancing to step 11:
430 can be fit into 3400 7 times, resulting in a remainder of 390.
Write down 7 as next digit of the result. 
Result so far: 190181.727
If we take 3010 away from 3400, we end up with 390.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3900, and continue the process.

On to step 12:
430 can be fit into 3900 9 times, resulting in a remainder of 30.
Put 9 as the next digit of the answer. 
Result so far: 190181.7279
Subtracting 3870 from 3900 leaves us with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Moving on to step 13:
430 can be fit into 300 0 times, resulting in a remainder of 300.
The next digit of our result is 0. 
Result so far: 190181.7279
Subtracting 0 from 300 leaves us with 300.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3000, and continue the process.

Advancing to step 14:
430 can be fit into 3000 6 times, resulting in a remainder of 420.
The number 6 becomes the next digit in our result. 
Result so far: 190181.727906
Subtract 2580 from 3000 to get 420.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4200, and continue the process.

Going ahead to step 15:
4200 divided by 430 is 9 with a remainder of 330.
The next digit of our result is 9. 
Result so far: 190181.7279069
The remainder is 330 after subtracting 3870 from 4200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3300, and continue the process.

Step 16:
3300 divided by 430 is 7 with a remainder of 290.
Put 7 as the next digit of the answer. 
Result so far: 190181.72790697
Deduct 3010 from 3300 and we're left with 290.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2900, and continue the process.

In conclusion, the division gives 190181.72790697 with a balance of 2.9e-07.