Finding the Third Proportional to 1,647,493 and 3,578,352

Step by Step Solution

1. Step 1: Write the proportion equation
   1,647,493 : 3,578,352 = 3,578,352 : x
2. Step 2: Convert to fraction form
   1,647,493/3,578,352 = 3,578,352/x
3. Step 3: Cross multiply
   1,647,493x = 3,578,352 × 3,578,352
4. Step 4: Simplify right side
   1,647,493x = 12,804,603,035,904
5. Step 5: Solve for x
   x = 12,804,603,035,904/1,647,493
6. Step 6: Final answer
   x = 7,772,174.47