Finding the Third Proportional to 88,718,915.50 and 193,060,132.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,718,915.50 : 193,060,132.50 = 193,060,132.50 : x
2. Step 2: Convert to fraction form
   88,718,915.50/193,060,132.50 = 193,060,132.50/x
3. Step 3: Cross multiply
   88,718,915.50x = 193,060,132.50 × 193,060,132.50
4. Step 4: Simplify right side
   88,718,915.50x = 37,272,214,760,917,560
5. Step 5: Solve for x
   x = 37,272,214,760,917,560/88,718,915.50
6. Step 6: Final answer
   x = 420,115,761.68