Finding the Third Proportional to 115,920 and 247,150

Step by Step Solution

1. Step 1: Write the proportion equation
   115,920 : 247,150 = 247,150 : x
2. Step 2: Convert to fraction form
   115,920/247,150 = 247,150/x
3. Step 3: Cross multiply
   115,920x = 247,150 × 247,150
4. Step 4: Simplify right side
   115,920x = 61,083,122,500
5. Step 5: Solve for x
   x = 61,083,122,500/115,920
6. Step 6: Final answer
   x = 526,942.05