Finding the Third Proportional to 12,180.38 and 16,356.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,180.38 : 16,356.94 = 16,356.94 : x
2. Step 2: Convert to fraction form
   12,180.38/16,356.94 = 16,356.94/x
3. Step 3: Cross multiply
   12,180.38x = 16,356.94 × 16,356.94
4. Step 4: Simplify right side
   12,180.38x = 267,549,404.38
5. Step 5: Solve for x
   x = 267,549,404.38/12,180.38
6. Step 6: Final answer
   x = 21,965.61