Finding the Third Proportional to 1,419,499.69 and 3,078,578.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,419,499.69 : 3,078,578.39 = 3,078,578.39 : x
2. Step 2: Convert to fraction form
   1,419,499.69/3,078,578.39 = 3,078,578.39/x
3. Step 3: Cross multiply
   1,419,499.69x = 3,078,578.39 × 3,078,578.39
4. Step 4: Simplify right side
   1,419,499.69x = 9,477,644,907,223.22
5. Step 5: Solve for x
   x = 9,477,644,907,223.22/1,419,499.69
6. Step 6: Final answer
   x = 6,676,750.26