Finding the Third Proportional to 333,256 and 715,760

Step by Step Solution

1. Step 1: Write the proportion equation
   333,256 : 715,760 = 715,760 : x
2. Step 2: Convert to fraction form
   333,256/715,760 = 715,760/x
3. Step 3: Cross multiply
   333,256x = 715,760 × 715,760
4. Step 4: Simplify right side
   333,256x = 512,312,377,600
5. Step 5: Solve for x
   x = 512,312,377,600/333,256
6. Step 6: Final answer
   x = 1,537,293.78