Finding the Third Proportional to 79,671 and 173,388

Step by Step Solution

1. Step 1: Write the proportion equation
   79,671 : 173,388 = 173,388 : x
2. Step 2: Convert to fraction form
   79,671/173,388 = 173,388/x
3. Step 3: Cross multiply
   79,671x = 173,388 × 173,388
4. Step 4: Simplify right side
   79,671x = 30,063,398,544
5. Step 5: Solve for x
   x = 30,063,398,544/79,671
6. Step 6: Final answer
   x = 377,344.31