Finding the Third Proportional to 4,424,880 and 9,628,468

Step by Step Solution

1. Step 1: Write the proportion equation
   4,424,880 : 9,628,468 = 9,628,468 : x
2. Step 2: Convert to fraction form
   4,424,880/9,628,468 = 9,628,468/x
3. Step 3: Cross multiply
   4,424,880x = 9,628,468 × 9,628,468
4. Step 4: Simplify right side
   4,424,880x = 92,707,396,027,024
5. Step 5: Solve for x
   x = 92,707,396,027,024/4,424,880
6. Step 6: Final answer
   x = 20,951,392.13