Finding the Third Proportional to 328,398 and 708,096

Step by Step Solution

1. Step 1: Write the proportion equation
   328,398 : 708,096 = 708,096 : x
2. Step 2: Convert to fraction form
   328,398/708,096 = 708,096/x
3. Step 3: Cross multiply
   328,398x = 708,096 × 708,096
4. Step 4: Simplify right side
   328,398x = 501,399,945,216
5. Step 5: Solve for x
   x = 501,399,945,216/328,398
6. Step 6: Final answer
   x = 1,526,805.72