Finding the Third Proportional to 2,167,872 and 3,220,368

Step by Step Solution

1. Step 1: Write the proportion equation
   2,167,872 : 3,220,368 = 3,220,368 : x
2. Step 2: Convert to fraction form
   2,167,872/3,220,368 = 3,220,368/x
3. Step 3: Cross multiply
   2,167,872x = 3,220,368 × 3,220,368
4. Step 4: Simplify right side
   2,167,872x = 10,370,770,055,424
5. Step 5: Solve for x
   x = 10,370,770,055,424/2,167,872
6. Step 6: Final answer
   x = 4,783,847.96