Finding the Third Proportional to 288,482 and 627,760.50

Step by Step Solution

1. Step 1: Write the proportion equation
   288,482 : 627,760.50 = 627,760.50 : x
2. Step 2: Convert to fraction form
   288,482/627,760.50 = 627,760.50/x
3. Step 3: Cross multiply
   288,482x = 627,760.50 × 627,760.50
4. Step 4: Simplify right side
   288,482x = 394,083,245,360.25
5. Step 5: Solve for x
   x = 394,083,245,360.25/288,482
6. Step 6: Final answer
   x = 1,366,058.35