Finding the Third Proportional to 154,492 and 338,504

Step by Step Solution

1. Step 1: Write the proportion equation
   154,492 : 338,504 = 338,504 : x
2. Step 2: Convert to fraction form
   154,492/338,504 = 338,504/x
3. Step 3: Cross multiply
   154,492x = 338,504 × 338,504
4. Step 4: Simplify right side
   154,492x = 114,584,958,016
5. Step 5: Solve for x
   x = 114,584,958,016/154,492
6. Step 6: Final answer
   x = 741,688.62