Finding the Third Proportional to 245,342 and 499,708

Step by Step Solution

1. Step 1: Write the proportion equation
   245,342 : 499,708 = 499,708 : x
2. Step 2: Convert to fraction form
   245,342/499,708 = 499,708/x
3. Step 3: Cross multiply
   245,342x = 499,708 × 499,708
4. Step 4: Simplify right side
   245,342x = 249,708,085,264
5. Step 5: Solve for x
   x = 249,708,085,264/245,342
6. Step 6: Final answer
   x = 1,017,795.91