338899 divided by 86 
Our goal is to divide 338899 by 86.

Going ahead to step 1:
86 can be fit into 3 0 times, resulting in a remainder of 3.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 3 after subtracting 0 from 3.
Fetch the next digit (3) from the dividend, attach it to 3 and continue: 33 / 86

Step 2:
86 goes into 33 0 times with a remainder of 33.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 33 and we're left with 33.
Take the next digit (8) from the dividend and append it to 33, then repeat: 338 / 86

Moving on to step 3:
86 goes into 338 3 times with a remainder of 80.
The next digit of our result is 3. 
Result so far: 3.0
Subtracting 258 from 338 leaves us with 80.
Bring next digit (8) of the dividend behind the 80 and repeat the process: 808 / 86

Going ahead to step 4:
86 can be fit into 808 9 times, resulting in a remainder of 34.
The next digit of our result is 9. 
Result so far: 39.0
If we subtract 774 from 808, we get 34.
Take the next digit (9) from the dividend and append it to 34, then repeat: 349 / 86

Advancing to step 5:
86 can be fit into 349 4 times, resulting in a remainder of 5.
Use 4 as the next digit of our solution. 
Result so far: 394.0
Subtracting 344 from 349 leaves us with 5.
Fetch the next digit (9) from the dividend, attach it to 5 and continue: 59 / 86

Moving on to step 6:
86 goes into 59 0 times with a remainder of 59.
Write down 0 as next digit of the result. 
Result so far: 3940.0
Subtract 0 from 59 to get 59.
Since there are no more digits in the dividend, we add a zero to the remainder making it 590, and continue the process.

Moving on to step 7:
86 goes into 590 6 times with a remainder of 74.
Record the quotient 6 as the next digit in the result. 
Result so far: 3940.6
If we take 516 away from 590, we end up with 74.
Since there are no more digits in the dividend, we add a zero to the remainder making it 740, and continue the process.

Advancing to step 8:
When dividing 740 by 86, we get 8 with a remainder of 52.
Write down 8 as next digit of the result. 
Result so far: 3940.68
The remainder is 52 after subtracting 688 from 740.
Since there are no more digits in the dividend, we add a zero to the remainder making it 520, and continue the process.

Going ahead to step 9:
86 can be fit into 520 6 times, resulting in a remainder of 4.
The next digit of our result is 6. 
Result so far: 3940.686
Subtracting 516 from 520 leaves us with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Moving on to step 10:
The number 86 fits into 40 0 times, leaving a remainder of 40.
Record the quotient 0 as the next digit in the result. 
Result so far: 3940.686
Subtract 0 from 40 to get 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Going ahead to step 11:
86 goes into 400 4 times with a remainder of 56.
The number 4 becomes the next digit in our result. 
Result so far: 3940.68604
The remainder is 56 after subtracting 344 from 400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

Step 12:
The number 86 fits into 560 6 times, leaving a remainder of 44.
The number 6 becomes the next digit in our result. 
Result so far: 3940.686046
Subtract 516 from 560 to get 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

Let's proceed to step 13:
If we divide 440 by 86, we get 5 and a remainder of 10.
Put 5 as the next digit of the answer. 
Result so far: 3940.6860465
The remainder is 10 after subtracting 430 from 440.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Step 14:
When dividing 100 by 86, we get 1 with a remainder of 14.
Put 1 as the next digit of the answer. 
Result so far: 3940.68604651
Subtracting 86 from 100 leaves us with 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

The final result is 3940.68604651 with a remainder of 1.4e-08.