Finding the Third Proportional to 14,890.50 and 20,422.13

Step by Step Solution

1. Step 1: Write the proportion equation
   14,890.50 : 20,422.13 = 20,422.13 : x
2. Step 2: Convert to fraction form
   14,890.50/20,422.13 = 20,422.13/x
3. Step 3: Cross multiply
   14,890.50x = 20,422.13 × 20,422.13
4. Step 4: Simplify right side
   14,890.50x = 417,063,189.52
5. Step 5: Solve for x
   x = 417,063,189.52/14,890.50
6. Step 6: Final answer
   x = 28,008.68