Finding the Third Proportional to 56,383,843.50 and 89,718,495

Step by Step Solution

1. Step 1: Write the proportion equation
   56,383,843.50 : 89,718,495 = 89,718,495 : x
2. Step 2: Convert to fraction form
   56,383,843.50/89,718,495 = 89,718,495/x
3. Step 3: Cross multiply
   56,383,843.50x = 89,718,495 × 89,718,495
4. Step 4: Simplify right side
   56,383,843.50x = 8,049,408,345,065,025
5. Step 5: Solve for x
   x = 8,049,408,345,065,025/56,383,843.50
6. Step 6: Final answer
   x = 142,760,901.80