Finding the Third Proportional to 249,486 and 548,794.50

Step by Step Solution

1. Step 1: Write the proportion equation
   249,486 : 548,794.50 = 548,794.50 : x
2. Step 2: Convert to fraction form
   249,486/548,794.50 = 548,794.50/x
3. Step 3: Cross multiply
   249,486x = 548,794.50 × 548,794.50
4. Step 4: Simplify right side
   249,486x = 301,175,403,230.25
5. Step 5: Solve for x
   x = 301,175,403,230.25/249,486
6. Step 6: Final answer
   x = 1,207,183.58