Finding the Third Proportional to 2,644,653 and 3,928,099.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,644,653 : 3,928,099.50 = 3,928,099.50 : x
2. Step 2: Convert to fraction form
   2,644,653/3,928,099.50 = 3,928,099.50/x
3. Step 3: Cross multiply
   2,644,653x = 3,928,099.50 × 3,928,099.50
4. Step 4: Simplify right side
   2,644,653x = 15,429,965,681,900.25
5. Step 5: Solve for x
   x = 15,429,965,681,900.25/2,644,653
6. Step 6: Final answer
   x = 5,834,400.84