Finding the Third Proportional to 1,236,867 and 2,660,715

Step by Step Solution

1. Step 1: Write the proportion equation
   1,236,867 : 2,660,715 = 2,660,715 : x
2. Step 2: Convert to fraction form
   1,236,867/2,660,715 = 2,660,715/x
3. Step 3: Cross multiply
   1,236,867x = 2,660,715 × 2,660,715
4. Step 4: Simplify right side
   1,236,867x = 7,079,404,311,225
5. Step 5: Solve for x
   x = 7,079,404,311,225/1,236,867
6. Step 6: Final answer
   x = 5,723,658.49