Finding the Third Proportional to 647,387 and 980,073.50

Step by Step Solution

1. Step 1: Write the proportion equation
   647,387 : 980,073.50 = 980,073.50 : x
2. Step 2: Convert to fraction form
   647,387/980,073.50 = 980,073.50/x
3. Step 3: Cross multiply
   647,387x = 980,073.50 × 980,073.50
4. Step 4: Simplify right side
   647,387x = 960,544,065,402.25
5. Step 5: Solve for x
   x = 960,544,065,402.25/647,387
6. Step 6: Final answer
   x = 1,483,724.67