Finding the Third Proportional to 39,496,684 and 52,407,870

Step by Step Solution

1. Step 1: Write the proportion equation
   39,496,684 : 52,407,870 = 52,407,870 : x
2. Step 2: Convert to fraction form
   39,496,684/52,407,870 = 52,407,870/x
3. Step 3: Cross multiply
   39,496,684x = 52,407,870 × 52,407,870
4. Step 4: Simplify right side
   39,496,684x = 2,746,584,837,936,900
5. Step 5: Solve for x
   x = 2,746,584,837,936,900/39,496,684
6. Step 6: Final answer
   x = 69,539,631.17