Finding the Third Proportional to 142,742 and 337,574

Step by Step Solution

1. Step 1: Write the proportion equation
   142,742 : 337,574 = 337,574 : x
2. Step 2: Convert to fraction form
   142,742/337,574 = 337,574/x
3. Step 3: Cross multiply
   142,742x = 337,574 × 337,574
4. Step 4: Simplify right side
   142,742x = 113,956,205,476
5. Step 5: Solve for x
   x = 113,956,205,476/142,742
6. Step 6: Final answer
   x = 798,336.90