Finding the Third Proportional to 154,894.50 and 338,949

Step by Step Solution

1. Step 1: Write the proportion equation
   154,894.50 : 338,949 = 338,949 : x
2. Step 2: Convert to fraction form
   154,894.50/338,949 = 338,949/x
3. Step 3: Cross multiply
   154,894.50x = 338,949 × 338,949
4. Step 4: Simplify right side
   154,894.50x = 114,886,424,601
5. Step 5: Solve for x
   x = 114,886,424,601/154,894.50
6. Step 6: Final answer
   x = 741,707.58