Finding the Third Proportional to 1,289,557 and 2,683,774

Step by Step Solution

1. Step 1: Write the proportion equation
   1,289,557 : 2,683,774 = 2,683,774 : x
2. Step 2: Convert to fraction form
   1,289,557/2,683,774 = 2,683,774/x
3. Step 3: Cross multiply
   1,289,557x = 2,683,774 × 2,683,774
4. Step 4: Simplify right side
   1,289,557x = 7,202,642,883,076
5. Step 5: Solve for x
   x = 7,202,642,883,076/1,289,557
6. Step 6: Final answer
   x = 5,585,362.17