Finding the Third Proportional to 1,236,863 and 2,660,708

Step by Step Solution

1. Step 1: Write the proportion equation
   1,236,863 : 2,660,708 = 2,660,708 : x
2. Step 2: Convert to fraction form
   1,236,863/2,660,708 = 2,660,708/x
3. Step 3: Cross multiply
   1,236,863x = 2,660,708 × 2,660,708
4. Step 4: Simplify right side
   1,236,863x = 7,079,367,061,264
5. Step 5: Solve for x
   x = 7,079,367,061,264/1,236,863
6. Step 6: Final answer
   x = 5,723,646.89