Finding the Third Proportional to 268,084 and 577,356.50

Step by Step Solution

1. Step 1: Write the proportion equation
   268,084 : 577,356.50 = 577,356.50 : x
2. Step 2: Convert to fraction form
   268,084/577,356.50 = 577,356.50/x
3. Step 3: Cross multiply
   268,084x = 577,356.50 × 577,356.50
4. Step 4: Simplify right side
   268,084x = 333,340,528,092.25
5. Step 5: Solve for x
   x = 333,340,528,092.25/268,084
6. Step 6: Final answer
   x = 1,243,418.21