Finding the Third Proportional to 57,766,819.50 and 89,735,359.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,766,819.50 : 89,735,359.50 = 89,735,359.50 : x
2. Step 2: Convert to fraction form
   57,766,819.50/89,735,359.50 = 89,735,359.50/x
3. Step 3: Cross multiply
   57,766,819.50x = 89,735,359.50 × 89,735,359.50
4. Step 4: Simplify right side
   57,766,819.50x = 8,052,434,744,594,240
5. Step 5: Solve for x
   x = 8,052,434,744,594,240/57,766,819.50
6. Step 6: Final answer
   x = 139,395,500.99