Finding the Third Proportional to 1,289,528 and 2,683,718

Step by Step Solution

1. Step 1: Write the proportion equation
   1,289,528 : 2,683,718 = 2,683,718 : x
2. Step 2: Convert to fraction form
   1,289,528/2,683,718 = 2,683,718/x
3. Step 3: Cross multiply
   1,289,528x = 2,683,718 × 2,683,718
4. Step 4: Simplify right side
   1,289,528x = 7,202,342,303,524
5. Step 5: Solve for x
   x = 7,202,342,303,524/1,289,528
6. Step 6: Final answer
   x = 5,585,254.69