Finding the Third Proportional to 16,304 and 18,416

Step by Step Solution

1. Step 1: Write the proportion equation
   16,304 : 18,416 = 18,416 : x
2. Step 2: Convert to fraction form
   16,304/18,416 = 18,416/x
3. Step 3: Cross multiply
   16,304x = 18,416 × 18,416
4. Step 4: Simplify right side
   16,304x = 339,149,056
5. Step 5: Solve for x
   x = 339,149,056/16,304
6. Step 6: Final answer
   x = 20,801.59