Finding the Third Proportional to 14,877.38 and 20,400.38

Step by Step Solution

1. Step 1: Write the proportion equation
   14,877.38 : 20,400.38 = 20,400.38 : x
2. Step 2: Convert to fraction form
   14,877.38/20,400.38 = 20,400.38/x
3. Step 3: Cross multiply
   14,877.38x = 20,400.38 × 20,400.38
4. Step 4: Simplify right side
   14,877.38x = 416,175,300.14
5. Step 5: Solve for x
   x = 416,175,300.14/14,877.38
6. Step 6: Final answer
   x = 27,973.71