Finding the Third Proportional to 9,822,951 and 20,663,898

Step by Step Solution

1. Step 1: Write the proportion equation
   9,822,951 : 20,663,898 = 20,663,898 : x
2. Step 2: Convert to fraction form
   9,822,951/20,663,898 = 20,663,898/x
3. Step 3: Cross multiply
   9,822,951x = 20,663,898 × 20,663,898
4. Step 4: Simplify right side
   9,822,951x = 426,996,680,554,404
5. Step 5: Solve for x
   x = 426,996,680,554,404/9,822,951
6. Step 6: Final answer
   x = 43,469,287.44