Finding the Third Proportional to 113,388 and 247,500

Step by Step Solution

1. Step 1: Write the proportion equation
   113,388 : 247,500 = 247,500 : x
2. Step 2: Convert to fraction form
   113,388/247,500 = 247,500/x
3. Step 3: Cross multiply
   113,388x = 247,500 × 247,500
4. Step 4: Simplify right side
   113,388x = 61,256,250,000
5. Step 5: Solve for x
   x = 61,256,250,000/113,388
6. Step 6: Final answer
   x = 540,235.74