Finding the Third Proportional to 154,744 and 338,648

Step by Step Solution

1. Step 1: Write the proportion equation
   154,744 : 338,648 = 338,648 : x
2. Step 2: Convert to fraction form
   154,744/338,648 = 338,648/x
3. Step 3: Cross multiply
   154,744x = 338,648 × 338,648
4. Step 4: Simplify right side
   154,744x = 114,682,467,904
5. Step 5: Solve for x
   x = 114,682,467,904/154,744
6. Step 6: Final answer
   x = 741,110.92