Finding the Third Proportional to 1,236,512 and 2,605,868

Step by Step Solution

1. Step 1: Write the proportion equation
   1,236,512 : 2,605,868 = 2,605,868 : x
2. Step 2: Convert to fraction form
   1,236,512/2,605,868 = 2,605,868/x
3. Step 3: Cross multiply
   1,236,512x = 2,605,868 × 2,605,868
4. Step 4: Simplify right side
   1,236,512x = 6,790,548,033,424
5. Step 5: Solve for x
   x = 6,790,548,033,424/1,236,512
6. Step 6: Final answer
   x = 5,491,696.02