Finding the Third Proportional to 9,981,968 and 20,435,962

Step by Step Solution

1. Step 1: Write the proportion equation
   9,981,968 : 20,435,962 = 20,435,962 : x
2. Step 2: Convert to fraction form
   9,981,968/20,435,962 = 20,435,962/x
3. Step 3: Cross multiply
   9,981,968x = 20,435,962 × 20,435,962
4. Step 4: Simplify right side
   9,981,968x = 417,628,542,865,444
5. Step 5: Solve for x
   x = 417,628,542,865,444/9,981,968
6. Step 6: Final answer
   x = 41,838,297.10