Finding the Third Proportional to 9,120 and 14,499

Step by Step Solution

1. Step 1: Write the proportion equation
   9,120 : 14,499 = 14,499 : x
2. Step 2: Convert to fraction form
   9,120/14,499 = 14,499/x
3. Step 3: Cross multiply
   9,120x = 14,499 × 14,499
4. Step 4: Simplify right side
   9,120x = 210,221,001
5. Step 5: Solve for x
   x = 210,221,001/9,120
6. Step 6: Final answer
   x = 23,050.55