Finding the Third Proportional to 58,216.50 and 87,612.75

Step by Step Solution

1. Step 1: Write the proportion equation
   58,216.50 : 87,612.75 = 87,612.75 : x
2. Step 2: Convert to fraction form
   58,216.50/87,612.75 = 87,612.75/x
3. Step 3: Cross multiply
   58,216.50x = 87,612.75 × 87,612.75
4. Step 4: Simplify right side
   58,216.50x = 7,675,993,962.56
5. Step 5: Solve for x
   x = 7,675,993,962.56/58,216.50
6. Step 6: Final answer
   x = 131,852.55