Finding the Third Proportional to 2,224,872 and 4,867,920

Step by Step Solution

1. Step 1: Write the proportion equation
   2,224,872 : 4,867,920 = 4,867,920 : x
2. Step 2: Convert to fraction form
   2,224,872/4,867,920 = 4,867,920/x
3. Step 3: Cross multiply
   2,224,872x = 4,867,920 × 4,867,920
4. Step 4: Simplify right side
   2,224,872x = 23,696,645,126,400
5. Step 5: Solve for x
   x = 23,696,645,126,400/2,224,872
6. Step 6: Final answer
   x = 10,650,790.30