Finding the Third Proportional to 142,442.72 and 303,951.23

Step by Step Solution

1. Step 1: Write the proportion equation
   142,442.72 : 303,951.23 = 303,951.23 : x
2. Step 2: Convert to fraction form
   142,442.72/303,951.23 = 303,951.23/x
3. Step 3: Cross multiply
   142,442.72x = 303,951.23 × 303,951.23
4. Step 4: Simplify right side
   142,442.72x = 92,386,352,878.09
5. Step 5: Solve for x
   x = 92,386,352,878.09/142,442.72
6. Step 6: Final answer
   x = 648,586.00