Finding the Third Proportional to 3,249,270 and 7,040,355

Step by Step Solution

1. Step 1: Write the proportion equation
   3,249,270 : 7,040,355 = 7,040,355 : x
2. Step 2: Convert to fraction form
   3,249,270/7,040,355 = 7,040,355/x
3. Step 3: Cross multiply
   3,249,270x = 7,040,355 × 7,040,355
4. Step 4: Simplify right side
   3,249,270x = 49,566,598,526,025
5. Step 5: Solve for x
   x = 49,566,598,526,025/3,249,270
6. Step 6: Final answer
   x = 15,254,687.52