Finding the Third Proportional to 1,397,055 and 3,018,342

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397,055 : 3,018,342 = 3,018,342 : x
2. Step 2: Convert to fraction form
   1,397,055/3,018,342 = 3,018,342/x
3. Step 3: Cross multiply
   1,397,055x = 3,018,342 × 3,018,342
4. Step 4: Simplify right side
   1,397,055x = 9,110,388,428,964
5. Step 5: Solve for x
   x = 9,110,388,428,964/1,397,055
6. Step 6: Final answer
   x = 6,521,137.99