Finding the Third Proportional to 3,315,600 and 4,864,608

Step by Step Solution

1. Step 1: Write the proportion equation
   3,315,600 : 4,864,608 = 4,864,608 : x
2. Step 2: Convert to fraction form
   3,315,600/4,864,608 = 4,864,608/x
3. Step 3: Cross multiply
   3,315,600x = 4,864,608 × 4,864,608
4. Step 4: Simplify right side
   3,315,600x = 23,664,410,993,664
5. Step 5: Solve for x
   x = 23,664,410,993,664/3,315,600
6. Step 6: Final answer
   x = 7,137,293.70