Finding the Third Proportional to 1,816,800 and 3,821,790

Step by Step Solution

1. Step 1: Write the proportion equation
   1,816,800 : 3,821,790 = 3,821,790 : x
2. Step 2: Convert to fraction form
   1,816,800/3,821,790 = 3,821,790/x
3. Step 3: Cross multiply
   1,816,800x = 3,821,790 × 3,821,790
4. Step 4: Simplify right side
   1,816,800x = 14,606,078,804,100
5. Step 5: Solve for x
   x = 14,606,078,804,100/1,816,800
6. Step 6: Final answer
   x = 8,039,453.33