Finding the Third Proportional to 58,604 and 87,519.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,604 : 87,519.50 = 87,519.50 : x
2. Step 2: Convert to fraction form
   58,604/87,519.50 = 87,519.50/x
3. Step 3: Cross multiply
   58,604x = 87,519.50 × 87,519.50
4. Step 4: Simplify right side
   58,604x = 7,659,662,880.25
5. Step 5: Solve for x
   x = 7,659,662,880.25/58,604
6. Step 6: Final answer
   x = 130,702.05