Finding the Third Proportional to 560,829,442.50 and 1,298,218,612.50

Step by Step Solution

1. Step 1: Write the proportion equation
   560,829,442.50 : 1,298,218,612.50 = 1,298,218,612.50 : x
2. Step 2: Convert to fraction form
   560,829,442.50/1,298,218,612.50 = 1,298,218,612.50/x
3. Step 3: Cross multiply
   560,829,442.50x = 1,298,218,612.50 × 1,298,218,612.50
4. Step 4: Simplify right side
   560,829,442.50x = 1,685,371,565,841,425,152
5. Step 5: Solve for x
   x = 1,685,371,565,841,425,152/560,829,442.50
6. Step 6: Final answer
   x = 3,005,141,025.28