Finding the Third Proportional to 142,156.50 and 303,996

Step by Step Solution

1. Step 1: Write the proportion equation
   142,156.50 : 303,996 = 303,996 : x
2. Step 2: Convert to fraction form
   142,156.50/303,996 = 303,996/x
3. Step 3: Cross multiply
   142,156.50x = 303,996 × 303,996
4. Step 4: Simplify right side
   142,156.50x = 92,413,568,016
5. Step 5: Solve for x
   x = 92,413,568,016/142,156.50
6. Step 6: Final answer
   x = 650,083.31