Finding the Third Proportional to 4,206,066 and 9,150,244

Step by Step Solution

1. Step 1: Write the proportion equation
   4,206,066 : 9,150,244 = 9,150,244 : x
2. Step 2: Convert to fraction form
   4,206,066/9,150,244 = 9,150,244/x
3. Step 3: Cross multiply
   4,206,066x = 9,150,244 × 9,150,244
4. Step 4: Simplify right side
   4,206,066x = 83,726,965,259,536
5. Step 5: Solve for x
   x = 83,726,965,259,536/4,206,066
6. Step 6: Final answer
   x = 19,906,241.43