Finding the Third Proportional to 2,613,686 and 5,661,685

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613,686 : 5,661,685 = 5,661,685 : x
2. Step 2: Convert to fraction form
   2,613,686/5,661,685 = 5,661,685/x
3. Step 3: Cross multiply
   2,613,686x = 5,661,685 × 5,661,685
4. Step 4: Simplify right side
   2,613,686x = 32,054,677,039,225
5. Step 5: Solve for x
   x = 32,054,677,039,225/2,613,686
6. Step 6: Final answer
   x = 12,264,165.26