Finding the Third Proportional to 276,804 and 605,305.50

Step by Step Solution

1. Step 1: Write the proportion equation
   276,804 : 605,305.50 = 605,305.50 : x
2. Step 2: Convert to fraction form
   276,804/605,305.50 = 605,305.50/x
3. Step 3: Cross multiply
   276,804x = 605,305.50 × 605,305.50
4. Step 4: Simplify right side
   276,804x = 366,394,748,330.25
5. Step 5: Solve for x
   x = 366,394,748,330.25/276,804
6. Step 6: Final answer
   x = 1,323,661.32