Finding the Third Proportional to 11,217.50 and 16,608.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,217.50 : 16,608.50 = 16,608.50 : x
2. Step 2: Convert to fraction form
   11,217.50/16,608.50 = 16,608.50/x
3. Step 3: Cross multiply
   11,217.50x = 16,608.50 × 16,608.50
4. Step 4: Simplify right side
   11,217.50x = 275,842,272.25
5. Step 5: Solve for x
   x = 275,842,272.25/11,217.50
6. Step 6: Final answer
   x = 24,590.35