Finding the Third Proportional to 3,913,055 and 5,145,648

Step by Step Solution

1. Step 1: Write the proportion equation
   3,913,055 : 5,145,648 = 5,145,648 : x
2. Step 2: Convert to fraction form
   3,913,055/5,145,648 = 5,145,648/x
3. Step 3: Cross multiply
   3,913,055x = 5,145,648 × 5,145,648
4. Step 4: Simplify right side
   3,913,055x = 26,477,693,339,904
5. Step 5: Solve for x
   x = 26,477,693,339,904/3,913,055
6. Step 6: Final answer
   x = 6,766,501.71