Finding the Third Proportional to 14,554.69 and 20,490.47

Step by Step Solution

1. Step 1: Write the proportion equation
   14,554.69 : 20,490.47 = 20,490.47 : x
2. Step 2: Convert to fraction form
   14,554.69/20,490.47 = 20,490.47/x
3. Step 3: Cross multiply
   14,554.69x = 20,490.47 × 20,490.47
4. Step 4: Simplify right side
   14,554.69x = 419,859,309.59
5. Step 5: Solve for x
   x = 419,859,309.59/14,554.69
6. Step 6: Final answer
   x = 28,847.02