Finding the Third Proportional to 58,488.75 and 90,730.13

Step by Step Solution

1. Step 1: Write the proportion equation
   58,488.75 : 90,730.13 = 90,730.13 : x
2. Step 2: Convert to fraction form
   58,488.75/90,730.13 = 90,730.13/x
3. Step 3: Cross multiply
   58,488.75x = 90,730.13 × 90,730.13
4. Step 4: Simplify right side
   58,488.75x = 8,231,955,582.52
5. Step 5: Solve for x
   x = 8,231,955,582.52/58,488.75
6. Step 6: Final answer
   x = 140,744.26