Finding the Third Proportional to 1,442,570 and 3,078,217

Step by Step Solution

1. Step 1: Write the proportion equation
   1,442,570 : 3,078,217 = 3,078,217 : x
2. Step 2: Convert to fraction form
   1,442,570/3,078,217 = 3,078,217/x
3. Step 3: Cross multiply
   1,442,570x = 3,078,217 × 3,078,217
4. Step 4: Simplify right side
   1,442,570x = 9,475,419,899,089
5. Step 5: Solve for x
   x = 9,475,419,899,089/1,442,570
6. Step 6: Final answer
   x = 6,568,429.88