Finding the Third Proportional to 111,309 and 246,626

Step by Step Solution

1. Step 1: Write the proportion equation
   111,309 : 246,626 = 246,626 : x
2. Step 2: Convert to fraction form
   111,309/246,626 = 246,626/x
3. Step 3: Cross multiply
   111,309x = 246,626 × 246,626
4. Step 4: Simplify right side
   111,309x = 60,824,383,876
5. Step 5: Solve for x
   x = 60,824,383,876/111,309
6. Step 6: Final answer
   x = 546,446.23