Finding the Third Proportional to 9,490.29 and 14,158.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,490.29 : 14,158.55 = 14,158.55 : x
2. Step 2: Convert to fraction form
   9,490.29/14,158.55 = 14,158.55/x
3. Step 3: Cross multiply
   9,490.29x = 14,158.55 × 14,158.55
4. Step 4: Simplify right side
   9,490.29x = 200,464,449.61
5. Step 5: Solve for x
   x = 200,464,449.61/9,490.29
6. Step 6: Final answer
   x = 21,123.11