Finding the Third Proportional to 16,149 and 21,659

Step by Step Solution

1. Step 1: Write the proportion equation
   16,149 : 21,659 = 21,659 : x
2. Step 2: Convert to fraction form
   16,149/21,659 = 21,659/x
3. Step 3: Cross multiply
   16,149x = 21,659 × 21,659
4. Step 4: Simplify right side
   16,149x = 469,112,281
5. Step 5: Solve for x
   x = 469,112,281/16,149
6. Step 6: Final answer
   x = 29,049.00