Finding the Third Proportional to 16,238 and 21,713

Step by Step Solution

1. Step 1: Write the proportion equation
   16,238 : 21,713 = 21,713 : x
2. Step 2: Convert to fraction form
   16,238/21,713 = 21,713/x
3. Step 3: Cross multiply
   16,238x = 21,713 × 21,713
4. Step 4: Simplify right side
   16,238x = 471,454,369
5. Step 5: Solve for x
   x = 471,454,369/16,238
6. Step 6: Final answer
   x = 29,034.02