Finding the Third Proportional to 155,826 and 338,976

Step by Step Solution

1. Step 1: Write the proportion equation
   155,826 : 338,976 = 338,976 : x
2. Step 2: Convert to fraction form
   155,826/338,976 = 338,976/x
3. Step 3: Cross multiply
   155,826x = 338,976 × 338,976
4. Step 4: Simplify right side
   155,826x = 114,904,728,576
5. Step 5: Solve for x
   x = 114,904,728,576/155,826
6. Step 6: Final answer
   x = 737,391.25