Finding the Third Proportional to 9,822,910 and 20,663,825

Step by Step Solution

1. Step 1: Write the proportion equation
   9,822,910 : 20,663,825 = 20,663,825 : x
2. Step 2: Convert to fraction form
   9,822,910/20,663,825 = 20,663,825/x
3. Step 3: Cross multiply
   9,822,910x = 20,663,825 × 20,663,825
4. Step 4: Simplify right side
   9,822,910x = 426,993,663,630,625
5. Step 5: Solve for x
   x = 426,993,663,630,625/9,822,910
6. Step 6: Final answer
   x = 43,469,161.75