Finding the Third Proportional to 313,632 and 740,256

Step by Step Solution

1. Step 1: Write the proportion equation
   313,632 : 740,256 = 740,256 : x
2. Step 2: Convert to fraction form
   313,632/740,256 = 740,256/x
3. Step 3: Cross multiply
   313,632x = 740,256 × 740,256
4. Step 4: Simplify right side
   313,632x = 547,978,945,536
5. Step 5: Solve for x
   x = 547,978,945,536/313,632
6. Step 6: Final answer
   x = 1,747,203.56