Finding the Third Proportional to 80,479 and 173,229

Step by Step Solution

1. Step 1: Write the proportion equation
   80,479 : 173,229 = 173,229 : x
2. Step 2: Convert to fraction form
   80,479/173,229 = 173,229/x
3. Step 3: Cross multiply
   80,479x = 173,229 × 173,229
4. Step 4: Simplify right side
   80,479x = 30,008,286,441
5. Step 5: Solve for x
   x = 30,008,286,441/80,479
6. Step 6: Final answer
   x = 372,871.02