Finding the Third Proportional to 1,719,378 and 3,578,302

Step by Step Solution

1. Step 1: Write the proportion equation
   1,719,378 : 3,578,302 = 3,578,302 : x
2. Step 2: Convert to fraction form
   1,719,378/3,578,302 = 3,578,302/x
3. Step 3: Cross multiply
   1,719,378x = 3,578,302 × 3,578,302
4. Step 4: Simplify right side
   1,719,378x = 12,804,245,203,204
5. Step 5: Solve for x
   x = 12,804,245,203,204/1,719,378
6. Step 6: Final answer
   x = 7,447,021.66