Finding the Third Proportional to 1,200,266 and 2,606,596

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200,266 : 2,606,596 = 2,606,596 : x
2. Step 2: Convert to fraction form
   1,200,266/2,606,596 = 2,606,596/x
3. Step 3: Cross multiply
   1,200,266x = 2,606,596 × 2,606,596
4. Step 4: Simplify right side
   1,200,266x = 6,794,342,707,216
5. Step 5: Solve for x
   x = 6,794,342,707,216/1,200,266
6. Step 6: Final answer
   x = 5,660,697.47