Finding the Third Proportional to 325,184 and 685,792

Step by Step Solution

1. Step 1: Write the proportion equation
   325,184 : 685,792 = 685,792 : x
2. Step 2: Convert to fraction form
   325,184/685,792 = 685,792/x
3. Step 3: Cross multiply
   325,184x = 685,792 × 685,792
4. Step 4: Simplify right side
   325,184x = 470,310,667,264
5. Step 5: Solve for x
   x = 470,310,667,264/325,184
6. Step 6: Final answer
   x = 1,446,290.92