Finding the Third Proportional to 1,280,258 and 2,758,804

Step by Step Solution

1. Step 1: Write the proportion equation
   1,280,258 : 2,758,804 = 2,758,804 : x
2. Step 2: Convert to fraction form
   1,280,258/2,758,804 = 2,758,804/x
3. Step 3: Cross multiply
   1,280,258x = 2,758,804 × 2,758,804
4. Step 4: Simplify right side
   1,280,258x = 7,610,999,510,416
5. Step 5: Solve for x
   x = 7,610,999,510,416/1,280,258
6. Step 6: Final answer
   x = 5,944,895.10