Finding the Third Proportional to 326,513,317.50 and 710,420,076

Step by Step Solution

1. Step 1: Write the proportion equation
   326,513,317.50 : 710,420,076 = 710,420,076 : x
2. Step 2: Convert to fraction form
   326,513,317.50/710,420,076 = 710,420,076/x
3. Step 3: Cross multiply
   326,513,317.50x = 710,420,076 × 710,420,076
4. Step 4: Simplify right side
   326,513,317.50x = 504,696,684,383,845,760
5. Step 5: Solve for x
   x = 504,696,684,383,845,760/326,513,317.50
6. Step 6: Final answer
   x = 1,545,715,464.99