Finding the Third Proportional to 1,858,986 and 3,941,289

Step by Step Solution

1. Step 1: Write the proportion equation
   1,858,986 : 3,941,289 = 3,941,289 : x
2. Step 2: Convert to fraction form
   1,858,986/3,941,289 = 3,941,289/x
3. Step 3: Cross multiply
   1,858,986x = 3,941,289 × 3,941,289
4. Step 4: Simplify right side
   1,858,986x = 15,533,758,981,521
5. Step 5: Solve for x
   x = 15,533,758,981,521/1,858,986
6. Step 6: Final answer
   x = 8,356,038.71