Finding the Third Proportional to 1,644,272 and 3,587,347

Step by Step Solution

1. Step 1: Write the proportion equation
   1,644,272 : 3,587,347 = 3,587,347 : x
2. Step 2: Convert to fraction form
   1,644,272/3,587,347 = 3,587,347/x
3. Step 3: Cross multiply
   1,644,272x = 3,587,347 × 3,587,347
4. Step 4: Simplify right side
   1,644,272x = 12,869,058,498,409
5. Step 5: Solve for x
   x = 12,869,058,498,409/1,644,272
6. Step 6: Final answer
   x = 7,826,599.55