Finding the Third Proportional to 11,142.56 and 16,291.13

Step by Step Solution

1. Step 1: Write the proportion equation
   11,142.56 : 16,291.13 = 16,291.13 : x
2. Step 2: Convert to fraction form
   11,142.56/16,291.13 = 16,291.13/x
3. Step 3: Cross multiply
   11,142.56x = 16,291.13 × 16,291.13
4. Step 4: Simplify right side
   11,142.56x = 265,400,753.77
5. Step 5: Solve for x
   x = 265,400,753.77/11,142.56
6. Step 6: Final answer
   x = 23,818.65