Finding the Third Proportional to 4,979,016 and 10,921,872

Step by Step Solution

1. Step 1: Write the proportion equation
   4,979,016 : 10,921,872 = 10,921,872 : x
2. Step 2: Convert to fraction form
   4,979,016/10,921,872 = 10,921,872/x
3. Step 3: Cross multiply
   4,979,016x = 10,921,872 × 10,921,872
4. Step 4: Simplify right side
   4,979,016x = 119,287,287,984,384
5. Step 5: Solve for x
   x = 119,287,287,984,384/4,979,016
6. Step 6: Final answer
   x = 23,958,004.55