Finding the Third Proportional to 64,676,086,807.50 and 140,740,831,273.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,676,086,807.50 : 140,740,831,273.50 = 140,740,831,273.50 : x
2. Step 2: Convert to fraction form
   64,676,086,807.50/140,740,831,273.50 = 140,740,831,273.50/x
3. Step 3: Cross multiply
   64,676,086,807.50x = 140,740,831,273.50 × 140,740,831,273.50
4. Step 4: Simplify right side
   64,676,086,807.50x = 19,807,981,587,555,795,599,360
5. Step 5: Solve for x
   x = 19,807,981,587,555,795,599,360/64,676,086,807.50
6. Step 6: Final answer
   x = 306,264,379,391.28