Finding the Third Proportional to 59,949 and 89,509.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,949 : 89,509.50 = 89,509.50 : x
2. Step 2: Convert to fraction form
   59,949/89,509.50 = 89,509.50/x
3. Step 3: Cross multiply
   59,949x = 89,509.50 × 89,509.50
4. Step 4: Simplify right side
   59,949x = 8,011,950,590.25
5. Step 5: Solve for x
   x = 8,011,950,590.25/59,949
6. Step 6: Final answer
   x = 133,646.11