Finding the Third Proportional to 2,140,772 and 4,491,696

Step by Step Solution

1. Step 1: Write the proportion equation
   2,140,772 : 4,491,696 = 4,491,696 : x
2. Step 2: Convert to fraction form
   2,140,772/4,491,696 = 4,491,696/x
3. Step 3: Cross multiply
   2,140,772x = 4,491,696 × 4,491,696
4. Step 4: Simplify right side
   2,140,772x = 20,175,332,956,416
5. Step 5: Solve for x
   x = 20,175,332,956,416/2,140,772
6. Step 6: Final answer
   x = 9,424,325.88