Finding the Third Proportional to 80,298 and 173,556

Step by Step Solution

1. Step 1: Write the proportion equation
   80,298 : 173,556 = 173,556 : x
2. Step 2: Convert to fraction form
   80,298/173,556 = 173,556/x
3. Step 3: Cross multiply
   80,298x = 173,556 × 173,556
4. Step 4: Simplify right side
   80,298x = 30,121,685,136
5. Step 5: Solve for x
   x = 30,121,685,136/80,298
6. Step 6: Final answer
   x = 375,123.73