Finding the Third Proportional to 7,087.50 and 15,520.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,087.50 : 15,520.50 = 15,520.50 : x
2. Step 2: Convert to fraction form
   7,087.50/15,520.50 = 15,520.50/x
3. Step 3: Cross multiply
   7,087.50x = 15,520.50 × 15,520.50
4. Step 4: Simplify right side
   7,087.50x = 240,885,920.25
5. Step 5: Solve for x
   x = 240,885,920.25/7,087.50
6. Step 6: Final answer
   x = 33,987.43