Finding the Third Proportional to 1,047,678 and 2,287,266

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047,678 : 2,287,266 = 2,287,266 : x
2. Step 2: Convert to fraction form
   1,047,678/2,287,266 = 2,287,266/x
3. Step 3: Cross multiply
   1,047,678x = 2,287,266 × 2,287,266
4. Step 4: Simplify right side
   1,047,678x = 5,231,585,754,756
5. Step 5: Solve for x
   x = 5,231,585,754,756/1,047,678
6. Step 6: Final answer
   x = 4,993,505.40