Finding the Third Proportional to 250,792 and 548,240

Step by Step Solution

1. Step 1: Write the proportion equation
   250,792 : 548,240 = 548,240 : x
2. Step 2: Convert to fraction form
   250,792/548,240 = 548,240/x
3. Step 3: Cross multiply
   250,792x = 548,240 × 548,240
4. Step 4: Simplify right side
   250,792x = 300,567,097,600
5. Step 5: Solve for x
   x = 300,567,097,600/250,792
6. Step 6: Final answer
   x = 1,198,471.63