Finding the Third Proportional to 2,140,770 and 4,491,692

Step by Step Solution

1. Step 1: Write the proportion equation
   2,140,770 : 4,491,692 = 4,491,692 : x
2. Step 2: Convert to fraction form
   2,140,770/4,491,692 = 4,491,692/x
3. Step 3: Cross multiply
   2,140,770x = 4,491,692 × 4,491,692
4. Step 4: Simplify right side
   2,140,770x = 20,175,297,022,864
5. Step 5: Solve for x
   x = 20,175,297,022,864/2,140,770
6. Step 6: Final answer
   x = 9,424,317.90