339453 divided by 28 
We're looking to find how many times 28 goes into 339453.

Moving on to step 1:
28 can be fit into 3 0 times, resulting in a remainder of 3.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 3, we end up with 3.
Append the next digit (3) from the dividend to 3 and continue with: 33 / 28

Let's proceed to step 2:
The number 28 fits into 33 1 times, leaving a remainder of 5.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
If we take 28 away from 33, we end up with 5.
Append the next digit (9) from the dividend to 5 and continue with: 59 / 28

Let's proceed to step 3:
When dividing 59 by 28, we get 2 with a remainder of 3.
Record the quotient 2 as the next digit in the result. 
Result so far: 12.0
If we take 56 away from 59, we end up with 3.
Bring next digit (4) of the dividend behind the 3 and repeat the process: 34 / 28

Step 4:
When dividing 34 by 28, we get 1 with a remainder of 6.
The number 1 becomes the next digit in our result. 
Result so far: 121.0
If we subtract 28 from 34, we get 6.
Take the next digit (5) from the dividend and append it to 6, then repeat: 65 / 28

Going ahead to step 5:
28 goes into 65 2 times with a remainder of 9.
Record the quotient 2 as the next digit in the result. 
Result so far: 1212.0
The remainder is 9 after subtracting 56 from 65.
Grab the next digit (3) from the dividend, add it to 9, then carry on: 93 / 28

Going ahead to step 6:
If we divide 93 by 28, we get 3 and a remainder of 9.
Write down 3 as next digit of the result. 
Result so far: 12123.0
If we take 84 away from 93, we end up with 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

On to step 7:
The number 28 fits into 90 3 times, leaving a remainder of 6.
Record the quotient 3 as the next digit in the result. 
Result so far: 12123.3
If we take 84 away from 90, we end up with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Advancing to step 8:
If we divide 60 by 28, we get 2 and a remainder of 4.
The number 2 becomes the next digit in our result. 
Result so far: 12123.32
Deduct 56 from 60 and we're left 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 9:
The number 28 fits into 40 1 times, leaving a remainder of 12.
The number 1 becomes the next digit in our result. 
Result so far: 12123.321
Subtract 28 from 40 to get 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Let's proceed to step 10:
The number 28 fits into 120 4 times, leaving a remainder of 8.
The next digit of our result is 4. 
Result so far: 12123.3214
Subtract 112 from 120 to get 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

On to step 11:
28 goes into 80 2 times with a remainder of 24.
Write down 2 as next digit of the result. 
Result so far: 12123.32142
If we take 56 away from 80, we end up with 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Step 12:
If we divide 240 by 28, we get 8 and a remainder of 16.
The number 8 becomes the next digit in our result. 
Result so far: 12123.321428
Subtract 224 from 240 to get 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Step 13:
28 can be fit into 160 5 times, resulting in a remainder of 20.
The number 5 becomes the next digit in our result. 
Result so far: 12123.3214285
The remainder is 20 after subtracting 140 from 160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Let's proceed to step 14:
If we divide 200 by 28, we get 7 and a remainder of 4.
Put 7 as the next digit of the answer. 
Result so far: 12123.32142857
Subtract 196 from 200 to get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

In conclusion, the division gives 12123.32142857 with a balance of 4e-09.