Finding the Third Proportional to 16,180 and 21,757

Step by Step Solution

1. Step 1: Write the proportion equation
   16,180 : 21,757 = 21,757 : x
2. Step 2: Convert to fraction form
   16,180/21,757 = 21,757/x
3. Step 3: Cross multiply
   16,180x = 21,757 × 21,757
4. Step 4: Simplify right side
   16,180x = 473,367,049
5. Step 5: Solve for x
   x = 473,367,049/16,180
6. Step 6: Final answer
   x = 29,256.31