Finding the Third Proportional to 79,691 and 173,401

Step by Step Solution

1. Step 1: Write the proportion equation
   79,691 : 173,401 = 173,401 : x
2. Step 2: Convert to fraction form
   79,691/173,401 = 173,401/x
3. Step 3: Cross multiply
   79,691x = 173,401 × 173,401
4. Step 4: Simplify right side
   79,691x = 30,067,906,801
5. Step 5: Solve for x
   x = 30,067,906,801/79,691
6. Step 6: Final answer
   x = 377,306.18