Finding the Third Proportional to 394,825 and 627,949.50

Step by Step Solution

1. Step 1: Write the proportion equation
   394,825 : 627,949.50 = 627,949.50 : x
2. Step 2: Convert to fraction form
   394,825/627,949.50 = 627,949.50/x
3. Step 3: Cross multiply
   394,825x = 627,949.50 × 627,949.50
4. Step 4: Simplify right side
   394,825x = 394,320,574,550.25
5. Step 5: Solve for x
   x = 394,320,574,550.25/394,825
6. Step 6: Final answer
   x = 998,722.41