Finding the Third Proportional to 58,321.50 and 87,465.75

Step by Step Solution

1. Step 1: Write the proportion equation
   58,321.50 : 87,465.75 = 87,465.75 : x
2. Step 2: Convert to fraction form
   58,321.50/87,465.75 = 87,465.75/x
3. Step 3: Cross multiply
   58,321.50x = 87,465.75 × 87,465.75
4. Step 4: Simplify right side
   58,321.50x = 7,650,257,423.06
5. Step 5: Solve for x
   x = 7,650,257,423.06/58,321.50
6. Step 6: Final answer
   x = 131,173.88