Finding the Third Proportional to 9,982,404 and 20,436,984

Step by Step Solution

1. Step 1: Write the proportion equation
   9,982,404 : 20,436,984 = 20,436,984 : x
2. Step 2: Convert to fraction form
   9,982,404/20,436,984 = 20,436,984/x
3. Step 3: Cross multiply
   9,982,404x = 20,436,984 × 20,436,984
4. Step 4: Simplify right side
   9,982,404x = 417,670,315,016,256
5. Step 5: Solve for x
   x = 417,670,315,016,256/9,982,404
6. Step 6: Final answer
   x = 41,840,654.32