Finding the Third Proportional to 16,442 and 25,434

Step by Step Solution

1. Step 1: Write the proportion equation
   16,442 : 25,434 = 25,434 : x
2. Step 2: Convert to fraction form
   16,442/25,434 = 25,434/x
3. Step 3: Cross multiply
   16,442x = 25,434 × 25,434
4. Step 4: Simplify right side
   16,442x = 646,888,356
5. Step 5: Solve for x
   x = 646,888,356/16,442
6. Step 6: Final answer
   x = 39,343.65