Finding the Third Proportional to 72,282 and 173,919.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,282 : 173,919.50 = 173,919.50 : x
2. Step 2: Convert to fraction form
   72,282/173,919.50 = 173,919.50/x
3. Step 3: Cross multiply
   72,282x = 173,919.50 × 173,919.50
4. Step 4: Simplify right side
   72,282x = 30,247,992,480.25
5. Step 5: Solve for x
   x = 30,247,992,480.25/72,282
6. Step 6: Final answer
   x = 418,471.99