We look at the division of 440588 by 3 
The aim is to understand the frequency of 3 in 440588.

On to step 1:
If we divide 4 by 3, we get 1 and a remainder of 1.
Write down 1 as next digit of the result. 
Result so far: 1.0
Subtract 3 from 4 to get 1.
Append the next digit (4) from the dividend to 1 and continue with: 14 / 3

Advancing to step 2:
When dividing 14 by 3, we get 4 with a remainder of 2.
The next digit of our result is 4. 
Result so far: 14.0
Subtracting 12 from 14 leaves us with 2.
Grab the next digit (0) from the dividend, add it to 2, then carry on: 20 / 3

Moving on to step 3:
3 can be fit into 20 6 times, resulting in a remainder of 2.
Record the quotient 6 as the next digit in the result. 
Result so far: 146.0
Subtract 18 from 20 to get 2.
Fetch the next digit (5) from the dividend, attach it to 2 and continue: 25 / 3

Let's proceed to step 4:
25 divided by 3 is 8 with a remainder of 1.
Use 8 as the next digit of our solution. 
Result so far: 1468.0
Subtract 24 from 25 to get 1.
Include the next digit (8) from the dividend after 1, then repeat: 18 / 3

Let's proceed to step 5:
3 can be fit into 18 6 times, resulting in a remainder of 0.
Record the quotient 6 as the next digit in the result. 
Result so far: 14686.0
Subtracting 18 from 18 leaves us with 0.
Include the next digit (8) from the dividend after 0, then repeat: 8 / 3

Moving on to step 6:
If we divide 8 by 3, we get 2 and a remainder of 2.
Put 2 as the next digit of the answer. 
Result so far: 146862.0
If we subtract 6 from 8, we get 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Advancing to step 7:
20 divided by 3 is 6 with a remainder of 2.
Put 6 as the next digit of the answer. 
Result so far: 146862.6
Subtract 18 from 20 to get 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Going ahead to step 8:
3 goes into 20 6 times with a remainder of 2.
Write down 6 as next digit of the result. 
Result so far: 146862.66
Subtract 18 from 20 to get 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 146862.66 with a remaining 0.002.