Finding the Third Proportional to 1,144,395 and 2,485,428

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144,395 : 2,485,428 = 2,485,428 : x
2. Step 2: Convert to fraction form
   1,144,395/2,485,428 = 2,485,428/x
3. Step 3: Cross multiply
   1,144,395x = 2,485,428 × 2,485,428
4. Step 4: Simplify right side
   1,144,395x = 6,177,352,343,184
5. Step 5: Solve for x
   x = 6,177,352,343,184/1,144,395
6. Step 6: Final answer
   x = 5,397,919.72