Finding the Third Proportional to 1,015,408 and 2,205,880

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015,408 : 2,205,880 = 2,205,880 : x
2. Step 2: Convert to fraction form
   1,015,408/2,205,880 = 2,205,880/x
3. Step 3: Cross multiply
   1,015,408x = 2,205,880 × 2,205,880
4. Step 4: Simplify right side
   1,015,408x = 4,865,906,574,400
5. Step 5: Solve for x
   x = 4,865,906,574,400/1,015,408
6. Step 6: Final answer
   x = 4,792,070.35