Finding the Third Proportional to 1,419,531 and 3,078,642

Step by Step Solution

1. Step 1: Write the proportion equation
   1,419,531 : 3,078,642 = 3,078,642 : x
2. Step 2: Convert to fraction form
   1,419,531/3,078,642 = 3,078,642/x
3. Step 3: Cross multiply
   1,419,531x = 3,078,642 × 3,078,642
4. Step 4: Simplify right side
   1,419,531x = 9,478,036,564,164
5. Step 5: Solve for x
   x = 9,478,036,564,164/1,419,531
6. Step 6: Final answer
   x = 6,676,878.89