Finding the Third Proportional to 1,644,236.72 and 3,587,272.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,644,236.72 : 3,587,272.31 = 3,587,272.31 : x
2. Step 2: Convert to fraction form
   1,644,236.72/3,587,272.31 = 3,587,272.31/x
3. Step 3: Cross multiply
   1,644,236.72x = 3,587,272.31 × 3,587,272.31
4. Step 4: Simplify right side
   1,644,236.72x = 12,868,522,644,029.10
5. Step 5: Solve for x
   x = 12,868,522,644,029.10/1,644,236.72
6. Step 6: Final answer
   x = 7,826,441.59