Finding the Third Proportional to 11,512.13 and 16,488.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,512.13 : 16,488.56 = 16,488.56 : x
2. Step 2: Convert to fraction form
   11,512.13/16,488.56 = 16,488.56/x
3. Step 3: Cross multiply
   11,512.13x = 16,488.56 × 16,488.56
4. Step 4: Simplify right side
   11,512.13x = 271,872,693.32
5. Step 5: Solve for x
   x = 271,872,693.32/11,512.13
6. Step 6: Final answer
   x = 23,616.20