3495389 ÷ 3 
Let's see how many times 3 fits into 3495389.

On to step 1:
3 goes into 3 1 times with a remainder of 0.
The next digit of our result is 1. 
Result so far: 1.0
Deduct 3 from 3 and we're left with 0.
Grab the next digit (4) from the dividend, add it to 0, then carry on: 4 / 3

Step 2:
4 divided by 3 is 1 with a remainder of 1.
The number 1 becomes the next digit in our result. 
Result so far: 11.0
If we subtract 3 from 4, we get 1.
Grab the next digit (9) from the dividend, add it to 1, then carry on: 19 / 3

Going ahead to step 3:
3 goes into 19 6 times with a remainder of 1.
Put 6 as the next digit of the answer. 
Result so far: 116.0
Subtracting 18 from 19 leaves us with 1.
Fetch the next digit (5) from the dividend, attach it to 1 and continue: 15 / 3

On to step 4:
3 can be fit into 15 5 times, resulting in a remainder of 0.
Use 5 as the next digit of our solution. 
Result so far: 1165.0
Subtract 15 from 15 to get 0.
Include the next digit (3) from the dividend after 0, then repeat: 3 / 3

Let's proceed to step 5:
If we divide 3 by 3, we get 1 and a remainder of 0.
Put 1 as the next digit of the answer. 
Result so far: 11651.0
Subtract 3 from 3 to get 0.
Take the next digit (8) from the dividend and append it to 0, then repeat: 8 / 3

Moving on to step 6:
If we divide 8 by 3, we get 2 and a remainder of 2.
Write down 2 as next digit of the result. 
Result so far: 116512.0
Deduct 6 from 8 and we're left with 2.
Include the next digit (9) from the dividend after 2, then repeat: 29 / 3

On to step 7:
When dividing 29 by 3, we get 9 with a remainder of 2.
Use 9 as the next digit of our solution. 
Result so far: 1165129.0
Deduct 27 from 29 and we're left with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Step 8:
3 can be fit into 20 6 times, resulting in a remainder of 2.
Write down 6 as next digit of the result. 
Result so far: 1165129.6
Subtracting 18 from 20 leaves us with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Moving on to step 9:
3 goes into 20 6 times with a remainder of 2.
Use 6 as the next digit of our solution. 
Result so far: 1165129.66
Deduct 18 from 20 and we're left with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Our division results in 1165129.66 with a remaining 0.002.