Finding the Third Proportional to 1,218,832 and 2,647,328

Step by Step Solution

1. Step 1: Write the proportion equation
   1,218,832 : 2,647,328 = 2,647,328 : x
2. Step 2: Convert to fraction form
   1,218,832/2,647,328 = 2,647,328/x
3. Step 3: Cross multiply
   1,218,832x = 2,647,328 × 2,647,328
4. Step 4: Simplify right side
   1,218,832x = 7,008,345,539,584
5. Step 5: Solve for x
   x = 7,008,345,539,584/1,218,832
6. Step 6: Final answer
   x = 5,750,050.49