Finding the Third Proportional to 111,268 and 247,414

Step by Step Solution

1. Step 1: Write the proportion equation
   111,268 : 247,414 = 247,414 : x
2. Step 2: Convert to fraction form
   111,268/247,414 = 247,414/x
3. Step 3: Cross multiply
   111,268x = 247,414 × 247,414
4. Step 4: Simplify right side
   111,268x = 61,213,687,396
5. Step 5: Solve for x
   x = 61,213,687,396/111,268
6. Step 6: Final answer
   x = 550,146.38