Finding the Third Proportional to 12,108.88 and 16,272.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,108.88 : 16,272.38 = 16,272.38 : x
2. Step 2: Convert to fraction form
   12,108.88/16,272.38 = 16,272.38/x
3. Step 3: Cross multiply
   12,108.88x = 16,272.38 × 16,272.38
4. Step 4: Simplify right side
   12,108.88x = 264,790,188.14
5. Step 5: Solve for x
   x = 264,790,188.14/12,108.88
6. Step 6: Final answer
   x = 21,867.45