Finding the Third Proportional to 16,154 and 21,707

Step by Step Solution

1. Step 1: Write the proportion equation
   16,154 : 21,707 = 21,707 : x
2. Step 2: Convert to fraction form
   16,154/21,707 = 21,707/x
3. Step 3: Cross multiply
   16,154x = 21,707 × 21,707
4. Step 4: Simplify right side
   16,154x = 471,193,849
5. Step 5: Solve for x
   x = 471,193,849/16,154
6. Step 6: Final answer
   x = 29,168.87