Finding the Third Proportional to 2,748,986 and 5,686,540

Step by Step Solution

1. Step 1: Write the proportion equation
   2,748,986 : 5,686,540 = 5,686,540 : x
2. Step 2: Convert to fraction form
   2,748,986/5,686,540 = 5,686,540/x
3. Step 3: Cross multiply
   2,748,986x = 5,686,540 × 5,686,540
4. Step 4: Simplify right side
   2,748,986x = 32,336,737,171,600
5. Step 5: Solve for x
   x = 32,336,737,171,600/2,748,986
6. Step 6: Final answer
   x = 11,763,150.91