Finding the Third Proportional to 12,233.53 and 15,616.55

Step by Step Solution

1. Step 1: Write the proportion equation
   12,233.53 : 15,616.55 = 15,616.55 : x
2. Step 2: Convert to fraction form
   12,233.53/15,616.55 = 15,616.55/x
3. Step 3: Cross multiply
   12,233.53x = 15,616.55 × 15,616.55
4. Step 4: Simplify right side
   12,233.53x = 243,876,536.30
5. Step 5: Solve for x
   x = 243,876,536.30/12,233.53
6. Step 6: Final answer
   x = 19,935.09