Finding the Third Proportional to 1,017,528 and 2,209,872

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017,528 : 2,209,872 = 2,209,872 : x
2. Step 2: Convert to fraction form
   1,017,528/2,209,872 = 2,209,872/x
3. Step 3: Cross multiply
   1,017,528x = 2,209,872 × 2,209,872
4. Step 4: Simplify right side
   1,017,528x = 4,883,534,256,384
5. Step 5: Solve for x
   x = 4,883,534,256,384/1,017,528
6. Step 6: Final answer
   x = 4,799,410.19