Finding the Third Proportional to 109,556 and 173,330

Step by Step Solution

1. Step 1: Write the proportion equation
   109,556 : 173,330 = 173,330 : x
2. Step 2: Convert to fraction form
   109,556/173,330 = 173,330/x
3. Step 3: Cross multiply
   109,556x = 173,330 × 173,330
4. Step 4: Simplify right side
   109,556x = 30,043,288,900
5. Step 5: Solve for x
   x = 30,043,288,900/109,556
6. Step 6: Final answer
   x = 274,227.69