Finding the Third Proportional to 628,908 and 967,831.50

Step by Step Solution

1. Step 1: Write the proportion equation
   628,908 : 967,831.50 = 967,831.50 : x
2. Step 2: Convert to fraction form
   628,908/967,831.50 = 967,831.50/x
3. Step 3: Cross multiply
   628,908x = 967,831.50 × 967,831.50
4. Step 4: Simplify right side
   628,908x = 936,697,812,392.25
5. Step 5: Solve for x
   x = 936,697,812,392.25/628,908
6. Step 6: Final answer
   x = 1,489,403.56