Finding the Third Proportional to 11,614.50 and 15,605.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,614.50 : 15,605.25 = 15,605.25 : x
2. Step 2: Convert to fraction form
   11,614.50/15,605.25 = 15,605.25/x
3. Step 3: Cross multiply
   11,614.50x = 15,605.25 × 15,605.25
4. Step 4: Simplify right side
   11,614.50x = 243,523,827.56
5. Step 5: Solve for x
   x = 243,523,827.56/11,614.50
6. Step 6: Final answer
   x = 20,967.22