Finding the Third Proportional to 11,218.50 and 24,510.09

Step by Step Solution

1. Step 1: Write the proportion equation
   11,218.50 : 24,510.09 = 24,510.09 : x
2. Step 2: Convert to fraction form
   11,218.50/24,510.09 = 24,510.09/x
3. Step 3: Cross multiply
   11,218.50x = 24,510.09 × 24,510.09
4. Step 4: Simplify right side
   11,218.50x = 600,744,695.63
5. Step 5: Solve for x
   x = 600,744,695.63/11,218.50
6. Step 6: Final answer
   x = 53,549.47