Finding the Third Proportional to 539,592 and 1,165,638

Step by Step Solution

1. Step 1: Write the proportion equation
   539,592 : 1,165,638 = 1,165,638 : x
2. Step 2: Convert to fraction form
   539,592/1,165,638 = 1,165,638/x
3. Step 3: Cross multiply
   539,592x = 1,165,638 × 1,165,638
4. Step 4: Simplify right side
   539,592x = 1,358,711,947,044
5. Step 5: Solve for x
   x = 1,358,711,947,044/539,592
6. Step 6: Final answer
   x = 2,518,035.75