Finding the Third Proportional to 325,404 and 666,662

Step by Step Solution

1. Step 1: Write the proportion equation
   325,404 : 666,662 = 666,662 : x
2. Step 2: Convert to fraction form
   325,404/666,662 = 666,662/x
3. Step 3: Cross multiply
   325,404x = 666,662 × 666,662
4. Step 4: Simplify right side
   325,404x = 444,438,222,244
5. Step 5: Solve for x
   x = 444,438,222,244/325,404
6. Step 6: Final answer
   x = 1,365,804.42