Finding the Third Proportional to 1,249,105 and 2,687,660

Step by Step Solution

1. Step 1: Write the proportion equation
   1,249,105 : 2,687,660 = 2,687,660 : x
2. Step 2: Convert to fraction form
   1,249,105/2,687,660 = 2,687,660/x
3. Step 3: Cross multiply
   1,249,105x = 2,687,660 × 2,687,660
4. Step 4: Simplify right side
   1,249,105x = 7,223,516,275,600
5. Step 5: Solve for x
   x = 7,223,516,275,600/1,249,105
6. Step 6: Final answer
   x = 5,782,953.62