18039287 ÷ 419 
We want to divide 18039287 by 419.

Step 1:
1 divided by 419 is 0 with a remainder of 1.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 1 leaves us with 1.
Append the next digit (8) from the dividend to 1 and continue with: 18 / 419

Step 2:
If we divide 18 by 419, we get 0 and a remainder of 18.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 18 after subtracting 0 from 18.
Append the next digit (0) from the dividend to 18 and continue with: 180 / 419

Advancing to step 3:
419 can be fit into 180 0 times, resulting in a remainder of 180.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 180 and we're left with 180.
Bring next digit (3) of the dividend behind the 180 and repeat the process: 1803 / 419

On to step 4:
When dividing 1803 by 419, we get 4 with a remainder of 127.
Use 4 as the next digit of our solution. 
Result so far: 4.0
Deduct 1676 from 1803 and we're left with 127.
Include the next digit (9) from the dividend after 127, then repeat: 1279 / 419

Moving on to step 5:
When dividing 1279 by 419, we get 3 with a remainder of 22.
The next digit of our result is 3. 
Result so far: 43.0
If we take 1257 away from 1279, we end up with 22.
Fetch the next digit (2) from the dividend, attach it to 22 and continue: 222 / 419

Let's proceed to step 6:
The number 419 fits into 222 0 times, leaving a remainder of 222.
The number 0 becomes the next digit in our result. 
Result so far: 430.0
The remainder is 222 after subtracting 0 from 222.
Append the next digit (8) from the dividend to 222 and continue with: 2228 / 419

Advancing to step 7:
When dividing 2228 by 419, we get 5 with a remainder of 133.
The number 5 becomes the next digit in our result. 
Result so far: 4305.0
Deduct 2095 from 2228 and we're left with 133.
Fetch the next digit (7) from the dividend, attach it to 133 and continue: 1337 / 419

Going ahead to step 8:
The number 419 fits into 1337 3 times, leaving a remainder of 80.
The number 3 becomes the next digit in our result. 
Result so far: 43053.0
Subtract 1257 from 1337 to get 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

Step 9:
419 can be fit into 800 1 times, resulting in a remainder of 381.
The next digit of our result is 1. 
Result so far: 43053.1
The remainder is 381 after subtracting 419 from 800.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3810, and continue the process.

Let's proceed to step 10:
419 goes into 3810 9 times with a remainder of 39.
The next digit of our result is 9. 
Result so far: 43053.19
Subtracting 3771 from 3810 leaves us with 39.
Since there are no more digits in the dividend, we add a zero to the remainder making it 390, and continue the process.

On to step 11:
419 goes into 390 0 times with a remainder of 390.
Record the quotient 0 as the next digit in the result. 
Result so far: 43053.19
Subtract 0 from 390 to get 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:
When dividing 3900 by 419, we get 9 with a remainder of 129.
The next digit of our result is 9. 
Result so far: 43053.1909
Subtract 3771 from 3900 to get 129.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1290, and continue the process.

Moving on to step 13:
419 goes into 1290 3 times with a remainder of 33.
Record the quotient 3 as the next digit in the result. 
Result so far: 43053.19093
Subtract 1257 from 1290 to get 33.
Since there are no more digits in the dividend, we add a zero to the remainder making it 330, and continue the process.

Going ahead to step 14:
When dividing 330 by 419, we get 0 with a remainder of 330.
Put 0 as the next digit of the answer. 
Result so far: 43053.19093
If we subtract 0 from 330, we get 330.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3300, and continue the process.

Step 15:
419 goes into 3300 7 times with a remainder of 367.
The number 7 becomes the next digit in our result. 
Result so far: 43053.1909307
If we subtract 2933 from 3300, we get 367.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3670, and continue the process.

Advancing to step 16:
419 goes into 3670 8 times with a remainder of 318.
Record the quotient 8 as the next digit in the result. 
Result so far: 43053.19093078
The remainder is 318 after subtracting 3352 from 3670.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3180, and continue the process.

The final result is 43053.19093078 with a remainder of 3.18e-07.