Finding the Third Proportional to 325,470 and 685,932

Step by Step Solution

1. Step 1: Write the proportion equation
   325,470 : 685,932 = 685,932 : x
2. Step 2: Convert to fraction form
   325,470/685,932 = 685,932/x
3. Step 3: Cross multiply
   325,470x = 685,932 × 685,932
4. Step 4: Simplify right side
   325,470x = 470,502,708,624
5. Step 5: Solve for x
   x = 470,502,708,624/325,470
6. Step 6: Final answer
   x = 1,445,610.07