Finding the Third Proportional to 16,239 and 34,782

Step by Step Solution

1. Step 1: Write the proportion equation
   16,239 : 34,782 = 34,782 : x
2. Step 2: Convert to fraction form
   16,239/34,782 = 34,782/x
3. Step 3: Cross multiply
   16,239x = 34,782 × 34,782
4. Step 4: Simplify right side
   16,239x = 1,209,787,524
5. Step 5: Solve for x
   x = 1,209,787,524/16,239
6. Step 6: Final answer
   x = 74,498.89