Finding the Third Proportional to 119,920 and 173,250

Step by Step Solution

1. Step 1: Write the proportion equation
   119,920 : 173,250 = 173,250 : x
2. Step 2: Convert to fraction form
   119,920/173,250 = 173,250/x
3. Step 3: Cross multiply
   119,920x = 173,250 × 173,250
4. Step 4: Simplify right side
   119,920x = 30,015,562,500
5. Step 5: Solve for x
   x = 30,015,562,500/119,920
6. Step 6: Final answer
   x = 250,296.55