Finding the Third Proportional to 111,314 and 247,508

Step by Step Solution

1. Step 1: Write the proportion equation
   111,314 : 247,508 = 247,508 : x
2. Step 2: Convert to fraction form
   111,314/247,508 = 247,508/x
3. Step 3: Cross multiply
   111,314x = 247,508 × 247,508
4. Step 4: Simplify right side
   111,314x = 61,260,210,064
5. Step 5: Solve for x
   x = 61,260,210,064/111,314
6. Step 6: Final answer
   x = 550,336.98