Finding the Third Proportional to 59,306.50 and 91,730

Step by Step Solution

1. Step 1: Write the proportion equation
   59,306.50 : 91,730 = 91,730 : x
2. Step 2: Convert to fraction form
   59,306.50/91,730 = 91,730/x
3. Step 3: Cross multiply
   59,306.50x = 91,730 × 91,730
4. Step 4: Simplify right side
   59,306.50x = 8,414,392,900
5. Step 5: Solve for x
   x = 8,414,392,900/59,306.50
6. Step 6: Final answer
   x = 141,879.78