Finding the Third Proportional to 1,986,891 and 3,147,525

Step by Step Solution

1. Step 1: Write the proportion equation
   1,986,891 : 3,147,525 = 3,147,525 : x
2. Step 2: Convert to fraction form
   1,986,891/3,147,525 = 3,147,525/x
3. Step 3: Cross multiply
   1,986,891x = 3,147,525 × 3,147,525
4. Step 4: Simplify right side
   1,986,891x = 9,906,913,625,625
5. Step 5: Solve for x
   x = 9,906,913,625,625/1,986,891
6. Step 6: Final answer
   x = 4,986,138.46