Finding the Third Proportional to 1,249,086 and 2,687,622

Step by Step Solution

1. Step 1: Write the proportion equation
   1,249,086 : 2,687,622 = 2,687,622 : x
2. Step 2: Convert to fraction form
   1,249,086/2,687,622 = 2,687,622/x
3. Step 3: Cross multiply
   1,249,086x = 2,687,622 × 2,687,622
4. Step 4: Simplify right side
   1,249,086x = 7,223,312,014,884
5. Step 5: Solve for x
   x = 7,223,312,014,884/1,249,086
6. Step 6: Final answer
   x = 5,782,878.05