Finding the Third Proportional to 4,216,662 and 9,245,916

Step by Step Solution

1. Step 1: Write the proportion equation
   4,216,662 : 9,245,916 = 9,245,916 : x
2. Step 2: Convert to fraction form
   4,216,662/9,245,916 = 9,245,916/x
3. Step 3: Cross multiply
   4,216,662x = 9,245,916 × 9,245,916
4. Step 4: Simplify right side
   4,216,662x = 85,486,962,679,056
5. Step 5: Solve for x
   x = 85,486,962,679,056/4,216,662
6. Step 6: Final answer
   x = 20,273,610.42