Finding the Third Proportional to 2,280,869 and 3,188,789

Step by Step Solution

1. Step 1: Write the proportion equation
   2,280,869 : 3,188,789 = 3,188,789 : x
2. Step 2: Convert to fraction form
   2,280,869/3,188,789 = 3,188,789/x
3. Step 3: Cross multiply
   2,280,869x = 3,188,789 × 3,188,789
4. Step 4: Simplify right side
   2,280,869x = 10,168,375,286,521
5. Step 5: Solve for x
   x = 10,168,375,286,521/2,280,869
6. Step 6: Final answer
   x = 4,458,114.55