Finding the Third Proportional to 1,644,291 and 3,586,608

Step by Step Solution

1. Step 1: Write the proportion equation
   1,644,291 : 3,586,608 = 3,586,608 : x
2. Step 2: Convert to fraction form
   1,644,291/3,586,608 = 3,586,608/x
3. Step 3: Cross multiply
   1,644,291x = 3,586,608 × 3,586,608
4. Step 4: Simplify right side
   1,644,291x = 12,863,756,945,664
5. Step 5: Solve for x
   x = 12,863,756,945,664/1,644,291
6. Step 6: Final answer
   x = 7,823,284.90