Finding the Third Proportional to 80,055 and 173,259

Step by Step Solution

1. Step 1: Write the proportion equation
   80,055 : 173,259 = 173,259 : x
2. Step 2: Convert to fraction form
   80,055/173,259 = 173,259/x
3. Step 3: Cross multiply
   80,055x = 173,259 × 173,259
4. Step 4: Simplify right side
   80,055x = 30,018,681,081
5. Step 5: Solve for x
   x = 30,018,681,081/80,055
6. Step 6: Final answer
   x = 374,975.72