Finding the Third Proportional to 1,246,638 and 2,690,103

Step by Step Solution

1. Step 1: Write the proportion equation
   1,246,638 : 2,690,103 = 2,690,103 : x
2. Step 2: Convert to fraction form
   1,246,638/2,690,103 = 2,690,103/x
3. Step 3: Cross multiply
   1,246,638x = 2,690,103 × 2,690,103
4. Step 4: Simplify right side
   1,246,638x = 7,236,654,150,609
5. Step 5: Solve for x
   x = 7,236,654,150,609/1,246,638
6. Step 6: Final answer
   x = 5,804,936.28