Finding the Third Proportional to 1,644,271 and 3,587,345

Step by Step Solution

1. Step 1: Write the proportion equation
   1,644,271 : 3,587,345 = 3,587,345 : x
2. Step 2: Convert to fraction form
   1,644,271/3,587,345 = 3,587,345/x
3. Step 3: Cross multiply
   1,644,271x = 3,587,345 × 3,587,345
4. Step 4: Simplify right side
   1,644,271x = 12,869,044,149,025
5. Step 5: Solve for x
   x = 12,869,044,149,025/1,644,271
6. Step 6: Final answer
   x = 7,826,595.58