Finding the Third Proportional to 16,899 and 22,107

Step by Step Solution

1. Step 1: Write the proportion equation
   16,899 : 22,107 = 22,107 : x
2. Step 2: Convert to fraction form
   16,899/22,107 = 22,107/x
3. Step 3: Cross multiply
   16,899x = 22,107 × 22,107
4. Step 4: Simplify right side
   16,899x = 488,719,449
5. Step 5: Solve for x
   x = 488,719,449/16,899
6. Step 6: Final answer
   x = 28,920.02