Finding the Third Proportional to 1,350,576 and 3,155,256

Step by Step Solution

1. Step 1: Write the proportion equation
   1,350,576 : 3,155,256 = 3,155,256 : x
2. Step 2: Convert to fraction form
   1,350,576/3,155,256 = 3,155,256/x
3. Step 3: Cross multiply
   1,350,576x = 3,155,256 × 3,155,256
4. Step 4: Simplify right side
   1,350,576x = 9,955,640,425,536
5. Step 5: Solve for x
   x = 9,955,640,425,536/1,350,576
6. Step 6: Final answer
   x = 7,371,403.33