Finding the Third Proportional to 1,251,986 and 2,698,660

Step by Step Solution

1. Step 1: Write the proportion equation
   1,251,986 : 2,698,660 = 2,698,660 : x
2. Step 2: Convert to fraction form
   1,251,986/2,698,660 = 2,698,660/x
3. Step 3: Cross multiply
   1,251,986x = 2,698,660 × 2,698,660
4. Step 4: Simplify right side
   1,251,986x = 7,282,765,795,600
5. Step 5: Solve for x
   x = 7,282,765,795,600/1,251,986
6. Step 6: Final answer
   x = 5,816,970.63