Finding the Third Proportional to 307,812,902,064.75 and 661,950,587,404.15

Step by Step Solution

1. Step 1: Write the proportion equation
   307,812,902,064.75 : 661,950,587,404.15 = 661,950,587,404.15 : x
2. Step 2: Convert to fraction form
   307,812,902,064.75/661,950,587,404.15 = 661,950,587,404.15/x
3. Step 3: Cross multiply
   307,812,902,064.75x = 661,950,587,404.15 × 661,950,587,404.15
4. Step 4: Simplify right side
   307,812,902,064.75x = 438,178,580,164,699,261,763,584
5. Step 5: Solve for x
   x = 438,178,580,164,699,261,763,584/307,812,902,064.75
6. Step 6: Final answer
   x = 1,423,522,461,941.92