Finding the Third Proportional to 1,249,103 and 2,687,656

Step by Step Solution

1. Step 1: Write the proportion equation
   1,249,103 : 2,687,656 = 2,687,656 : x
2. Step 2: Convert to fraction form
   1,249,103/2,687,656 = 2,687,656/x
3. Step 3: Cross multiply
   1,249,103x = 2,687,656 × 2,687,656
4. Step 4: Simplify right side
   1,249,103x = 7,223,494,774,336
5. Step 5: Solve for x
   x = 7,223,494,774,336/1,249,103
6. Step 6: Final answer
   x = 5,782,945.66