Finding the Third Proportional to 3,249,286 and 7,040,386

Step by Step Solution

1. Step 1: Write the proportion equation
   3,249,286 : 7,040,386 = 7,040,386 : x
2. Step 2: Convert to fraction form
   3,249,286/7,040,386 = 7,040,386/x
3. Step 3: Cross multiply
   3,249,286x = 7,040,386 × 7,040,386
4. Step 4: Simplify right side
   3,249,286x = 49,567,035,028,996
5. Step 5: Solve for x
   x = 49,567,035,028,996/3,249,286
6. Step 6: Final answer
   x = 15,254,746.74