Finding the Third Proportional to 4,816,885 and 7,907,640

Step by Step Solution

1. Step 1: Write the proportion equation
   4,816,885 : 7,907,640 = 7,907,640 : x
2. Step 2: Convert to fraction form
   4,816,885/7,907,640 = 7,907,640/x
3. Step 3: Cross multiply
   4,816,885x = 7,907,640 × 7,907,640
4. Step 4: Simplify right side
   4,816,885x = 62,530,770,369,600
5. Step 5: Solve for x
   x = 62,530,770,369,600/4,816,885
6. Step 6: Final answer
   x = 12,981,578.42