Finding the Third Proportional to 142,656 and 303,744

Step by Step Solution

1. Step 1: Write the proportion equation
   142,656 : 303,744 = 303,744 : x
2. Step 2: Convert to fraction form
   142,656/303,744 = 303,744/x
3. Step 3: Cross multiply
   142,656x = 303,744 × 303,744
4. Step 4: Simplify right side
   142,656x = 92,260,417,536
5. Step 5: Solve for x
   x = 92,260,417,536/142,656
6. Step 6: Final answer
   x = 646,733.52