Finding the Third Proportional to 58,320 and 87,463.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,320 : 87,463.50 = 87,463.50 : x
2. Step 2: Convert to fraction form
   58,320/87,463.50 = 87,463.50/x
3. Step 3: Cross multiply
   58,320x = 87,463.50 × 87,463.50
4. Step 4: Simplify right side
   58,320x = 7,649,863,832.25
5. Step 5: Solve for x
   x = 7,649,863,832.25/58,320
6. Step 6: Final answer
   x = 131,170.50