Finding the Third Proportional to 142,157.50 and 303,998

Step by Step Solution

1. Step 1: Write the proportion equation
   142,157.50 : 303,998 = 303,998 : x
2. Step 2: Convert to fraction form
   142,157.50/303,998 = 303,998/x
3. Step 3: Cross multiply
   142,157.50x = 303,998 × 303,998
4. Step 4: Simplify right side
   142,157.50x = 92,414,784,004
5. Step 5: Solve for x
   x = 92,414,784,004/142,157.50
6. Step 6: Final answer
   x = 650,087.29