Finding the Third Proportional to 1,846,158 and 3,987,561

Step by Step Solution

1. Step 1: Write the proportion equation
   1,846,158 : 3,987,561 = 3,987,561 : x
2. Step 2: Convert to fraction form
   1,846,158/3,987,561 = 3,987,561/x
3. Step 3: Cross multiply
   1,846,158x = 3,987,561 × 3,987,561
4. Step 4: Simplify right side
   1,846,158x = 15,900,642,728,721
5. Step 5: Solve for x
   x = 15,900,642,728,721/1,846,158
6. Step 6: Final answer
   x = 8,612,828.77