Finding the Third Proportional to 548,757 and 819,004.50

Step by Step Solution

1. Step 1: Write the proportion equation
   548,757 : 819,004.50 = 819,004.50 : x
2. Step 2: Convert to fraction form
   548,757/819,004.50 = 819,004.50/x
3. Step 3: Cross multiply
   548,757x = 819,004.50 × 819,004.50
4. Step 4: Simplify right side
   548,757x = 670,768,371,020.25
5. Step 5: Solve for x
   x = 670,768,371,020.25/548,757
6. Step 6: Final answer
   x = 1,222,341.35