Finding the Third Proportional to 276,228 and 605,155.50

Step by Step Solution

1. Step 1: Write the proportion equation
   276,228 : 605,155.50 = 605,155.50 : x
2. Step 2: Convert to fraction form
   276,228/605,155.50 = 605,155.50/x
3. Step 3: Cross multiply
   276,228x = 605,155.50 × 605,155.50
4. Step 4: Simplify right side
   276,228x = 366,213,179,180.25
5. Step 5: Solve for x
   x = 366,213,179,180.25/276,228
6. Step 6: Final answer
   x = 1,325,764.15