Finding the Third Proportional to 396,981 and 936,987.75

Step by Step Solution

1. Step 1: Write the proportion equation
   396,981 : 936,987.75 = 936,987.75 : x
2. Step 2: Convert to fraction form
   396,981/936,987.75 = 936,987.75/x
3. Step 3: Cross multiply
   396,981x = 936,987.75 × 936,987.75
4. Step 4: Simplify right side
   396,981x = 877,946,043,650.06
5. Step 5: Solve for x
   x = 877,946,043,650.06/396,981
6. Step 6: Final answer
   x = 2,211,556.83