Finding the Third Proportional to 1,289,554 and 2,683,768

Step by Step Solution

1. Step 1: Write the proportion equation
   1,289,554 : 2,683,768 = 2,683,768 : x
2. Step 2: Convert to fraction form
   1,289,554/2,683,768 = 2,683,768/x
3. Step 3: Cross multiply
   1,289,554x = 2,683,768 × 2,683,768
4. Step 4: Simplify right side
   1,289,554x = 7,202,610,677,824
5. Step 5: Solve for x
   x = 7,202,610,677,824/1,289,554
6. Step 6: Final answer
   x = 5,585,350.19