Finding the Third Proportional to 236,468 and 489,766

Step by Step Solution

1. Step 1: Write the proportion equation
   236,468 : 489,766 = 489,766 : x
2. Step 2: Convert to fraction form
   236,468/489,766 = 489,766/x
3. Step 3: Cross multiply
   236,468x = 489,766 × 489,766
4. Step 4: Simplify right side
   236,468x = 239,870,734,756
5. Step 5: Solve for x
   x = 239,870,734,756/236,468
6. Step 6: Final answer
   x = 1,014,389.83