Finding the Third Proportional to 142,447.50 and 303,960.38

Step by Step Solution

1. Step 1: Write the proportion equation
   142,447.50 : 303,960.38 = 303,960.38 : x
2. Step 2: Convert to fraction form
   142,447.50/303,960.38 = 303,960.38/x
3. Step 3: Cross multiply
   142,447.50x = 303,960.38 × 303,960.38
4. Step 4: Simplify right side
   142,447.50x = 92,391,909,570.14
5. Step 5: Solve for x
   x = 92,391,909,570.14/142,447.50
6. Step 6: Final answer
   x = 648,603.24