Finding the Third Proportional to 411,352 and 627,963.50

Step by Step Solution

1. Step 1: Write the proportion equation
   411,352 : 627,963.50 = 627,963.50 : x
2. Step 2: Convert to fraction form
   411,352/627,963.50 = 627,963.50/x
3. Step 3: Cross multiply
   411,352x = 627,963.50 × 627,963.50
4. Step 4: Simplify right side
   411,352x = 394,338,157,332.25
5. Step 5: Solve for x
   x = 394,338,157,332.25/411,352
6. Step 6: Final answer
   x = 958,639.21