Finding the Third Proportional to 1,644,270 and 3,587,344

Step by Step Solution

1. Step 1: Write the proportion equation
   1,644,270 : 3,587,344 = 3,587,344 : x
2. Step 2: Convert to fraction form
   1,644,270/3,587,344 = 3,587,344/x
3. Step 3: Cross multiply
   1,644,270x = 3,587,344 × 3,587,344
4. Step 4: Simplify right side
   1,644,270x = 12,869,036,974,336
5. Step 5: Solve for x
   x = 12,869,036,974,336/1,644,270
6. Step 6: Final answer
   x = 7,826,595.98