Finding the Third Proportional to 1,249,078 and 2,687,605

Step by Step Solution

1. Step 1: Write the proportion equation
   1,249,078 : 2,687,605 = 2,687,605 : x
2. Step 2: Convert to fraction form
   1,249,078/2,687,605 = 2,687,605/x
3. Step 3: Cross multiply
   1,249,078x = 2,687,605 × 2,687,605
4. Step 4: Simplify right side
   1,249,078x = 7,223,220,636,025
5. Step 5: Solve for x
   x = 7,223,220,636,025/1,249,078
6. Step 6: Final answer
   x = 5,782,841.93