Finding the Third Proportional to 1,647,344 and 3,609,616

Step by Step Solution

1. Step 1: Write the proportion equation
   1,647,344 : 3,609,616 = 3,609,616 : x
2. Step 2: Convert to fraction form
   1,647,344/3,609,616 = 3,609,616/x
3. Step 3: Cross multiply
   1,647,344x = 3,609,616 × 3,609,616
4. Step 4: Simplify right side
   1,647,344x = 13,029,327,667,456
5. Step 5: Solve for x
   x = 13,029,327,667,456/1,647,344
6. Step 6: Final answer
   x = 7,909,293.79