Finding the Third Proportional to 554,480 and 835,662

Step by Step Solution

1. Step 1: Write the proportion equation
   554,480 : 835,662 = 835,662 : x
2. Step 2: Convert to fraction form
   554,480/835,662 = 835,662/x
3. Step 3: Cross multiply
   554,480x = 835,662 × 835,662
4. Step 4: Simplify right side
   554,480x = 698,330,978,244
5. Step 5: Solve for x
   x = 698,330,978,244/554,480
6. Step 6: Final answer
   x = 1,259,434.03