Finding the Third Proportional to 11,154.38 and 16,423.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,154.38 : 16,423.31 = 16,423.31 : x
2. Step 2: Convert to fraction form
   11,154.38/16,423.31 = 16,423.31/x
3. Step 3: Cross multiply
   11,154.38x = 16,423.31 × 16,423.31
4. Step 4: Simplify right side
   11,154.38x = 269,725,193.47
5. Step 5: Solve for x
   x = 269,725,193.47/11,154.38
6. Step 6: Final answer
   x = 24,181.11