Finding the Third Proportional to 4,824,446 and 10,045,872

Step by Step Solution

1. Step 1: Write the proportion equation
   4,824,446 : 10,045,872 = 10,045,872 : x
2. Step 2: Convert to fraction form
   4,824,446/10,045,872 = 10,045,872/x
3. Step 3: Cross multiply
   4,824,446x = 10,045,872 × 10,045,872
4. Step 4: Simplify right side
   4,824,446x = 100,919,544,240,384
5. Step 5: Solve for x
   x = 100,919,544,240,384/4,824,446
6. Step 6: Final answer
   x = 20,918,369.54