Finding the Third Proportional to 11,988 and 14,499

Step by Step Solution

1. Step 1: Write the proportion equation
   11,988 : 14,499 = 14,499 : x
2. Step 2: Convert to fraction form
   11,988/14,499 = 14,499/x
3. Step 3: Cross multiply
   11,988x = 14,499 × 14,499
4. Step 4: Simplify right side
   11,988x = 210,221,001
5. Step 5: Solve for x
   x = 210,221,001/11,988
6. Step 6: Final answer
   x = 17,535.95