We're dividing 54284702 by 143 
Let's see how many times 143 fits into 54284702.

On to step 1:
143 can be fit into 5 0 times, resulting in a remainder of 5.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 5, we end up with 5.
Bring next digit (4) of the dividend behind the 5 and repeat the process: 54 / 143

On to step 2:
If we divide 54 by 143, we get 0 and a remainder of 54.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 54, we end up with 54.
Fetch the next digit (2) from the dividend, attach it to 54 and continue: 542 / 143

On to step 3:
143 can be fit into 542 3 times, resulting in a remainder of 113.
Write down 3 as next digit of the result. 
Result so far: 3.0
Deduct 429 from 542 and we're left with 113.
Bring next digit (8) of the dividend behind the 113 and repeat the process: 1138 / 143

Going ahead to step 4:
When dividing 1138 by 143, we get 7 with a remainder of 137.
Use 7 as the next digit of our solution. 
Result so far: 37.0
The remainder is 137 after subtracting 1001 from 1138.
Fetch the next digit (4) from the dividend, attach it to 137 and continue: 1374 / 143

On to step 5:
1374 divided by 143 is 9 with a remainder of 87.
The number 9 becomes the next digit in our result. 
Result so far: 379.0
Subtracting 1287 from 1374 leaves us with 87.
Append the next digit (7) from the dividend to 87 and continue with: 877 / 143

Advancing to step 6:
The number 143 fits into 877 6 times, leaving a remainder of 19.
The number 6 becomes the next digit in our result. 
Result so far: 3796.0
The remainder is 19 after subtracting 858 from 877.
Take the next digit (0) from the dividend and append it to 19, then repeat: 190 / 143

Moving on to step 7:
143 can be fit into 190 1 times, resulting in a remainder of 47.
Write down 1 as next digit of the result. 
Result so far: 37961.0
The remainder is 47 after subtracting 143 from 190.
Take the next digit (2) from the dividend and append it to 47, then repeat: 472 / 143

On to step 8:
143 can be fit into 472 3 times, resulting in a remainder of 43.
Write down 3 as next digit of the result. 
Result so far: 379613.0
Deduct 429 from 472 and we're left with 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:
430 divided by 143 is 3 with a remainder of 1.
Put 3 as the next digit of the answer. 
Result so far: 379613.3
Subtract 429 from 430 to get 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Step 10:
If we divide 10 by 143, we get 0 and a remainder of 10.
The number 0 becomes the next digit in our result. 
Result so far: 379613.3
Deduct 0 from 10 and we're left with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Step 11:
100 divided by 143 is 0 with a remainder of 100.
Put 0 as the next digit of the answer. 
Result so far: 379613.3
If we subtract 0 from 100, we get 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

The final outcome is 379613.3, with a leftover of 0.01.