Finding the Third Proportional to 113,386 and 247,496

Step by Step Solution

1. Step 1: Write the proportion equation
   113,386 : 247,496 = 247,496 : x
2. Step 2: Convert to fraction form
   113,386/247,496 = 247,496/x
3. Step 3: Cross multiply
   113,386x = 247,496 × 247,496
4. Step 4: Simplify right side
   113,386x = 61,254,270,016
5. Step 5: Solve for x
   x = 61,254,270,016/113,386
6. Step 6: Final answer
   x = 540,227.81