Finding the Third Proportional to 14,880.38 and 20,209.31

Step by Step Solution

1. Step 1: Write the proportion equation
   14,880.38 : 20,209.31 = 20,209.31 : x
2. Step 2: Convert to fraction form
   14,880.38/20,209.31 = 20,209.31/x
3. Step 3: Cross multiply
   14,880.38x = 20,209.31 × 20,209.31
4. Step 4: Simplify right side
   14,880.38x = 408,416,311.72
5. Step 5: Solve for x
   x = 408,416,311.72/14,880.38
6. Step 6: Final answer
   x = 27,446.64