Finding the Third Proportional to 2,021,872 and 4,414,238

Step by Step Solution

1. Step 1: Write the proportion equation
   2,021,872 : 4,414,238 = 4,414,238 : x
2. Step 2: Convert to fraction form
   2,021,872/4,414,238 = 4,414,238/x
3. Step 3: Cross multiply
   2,021,872x = 4,414,238 × 4,414,238
4. Step 4: Simplify right side
   2,021,872x = 19,485,497,120,644
5. Step 5: Solve for x
   x = 19,485,497,120,644/2,021,872
6. Step 6: Final answer
   x = 9,637,354.45