Finding the Third Proportional to 302,307 and 451,879.50

Step by Step Solution

1. Step 1: Write the proportion equation
   302,307 : 451,879.50 = 451,879.50 : x
2. Step 2: Convert to fraction form
   302,307/451,879.50 = 451,879.50/x
3. Step 3: Cross multiply
   302,307x = 451,879.50 × 451,879.50
4. Step 4: Simplify right side
   302,307x = 204,195,082,520.25
5. Step 5: Solve for x
   x = 204,195,082,520.25/302,307
6. Step 6: Final answer
   x = 675,456.02