Finding the Third Proportional to 285,048 and 605,074.50

Step by Step Solution

1. Step 1: Write the proportion equation
   285,048 : 605,074.50 = 605,074.50 : x
2. Step 2: Convert to fraction form
   285,048/605,074.50 = 605,074.50/x
3. Step 3: Cross multiply
   285,048x = 605,074.50 × 605,074.50
4. Step 4: Simplify right side
   285,048x = 366,115,150,550.25
5. Step 5: Solve for x
   x = 366,115,150,550.25/285,048
6. Step 6: Final answer
   x = 1,284,398.24