Finding the Third Proportional to 517,449 and 1,113,588

Step by Step Solution

1. Step 1: Write the proportion equation
   517,449 : 1,113,588 = 1,113,588 : x
2. Step 2: Convert to fraction form
   517,449/1,113,588 = 1,113,588/x
3. Step 3: Cross multiply
   517,449x = 1,113,588 × 1,113,588
4. Step 4: Simplify right side
   517,449x = 1,240,078,233,744
5. Step 5: Solve for x
   x = 1,240,078,233,744/517,449
6. Step 6: Final answer
   x = 2,396,522.62