Finding the Third Proportional to 155,256 and 332,648

Step by Step Solution

1. Step 1: Write the proportion equation
   155,256 : 332,648 = 332,648 : x
2. Step 2: Convert to fraction form
   155,256/332,648 = 332,648/x
3. Step 3: Cross multiply
   155,256x = 332,648 × 332,648
4. Step 4: Simplify right side
   155,256x = 110,654,691,904
5. Step 5: Solve for x
   x = 110,654,691,904/155,256
6. Step 6: Final answer
   x = 712,724.09