Finding the Third Proportional to 4,206,141 and 9,150,395

Step by Step Solution

1. Step 1: Write the proportion equation
   4,206,141 : 9,150,395 = 9,150,395 : x
2. Step 2: Convert to fraction form
   4,206,141/9,150,395 = 9,150,395/x
3. Step 3: Cross multiply
   4,206,141x = 9,150,395 × 9,150,395
4. Step 4: Simplify right side
   4,206,141x = 83,729,728,656,025
5. Step 5: Solve for x
   x = 83,729,728,656,025/4,206,141
6. Step 6: Final answer
   x = 19,906,543.47