Finding the Third Proportional to 9,786,104 and 20,464,504

Step by Step Solution

1. Step 1: Write the proportion equation
   9,786,104 : 20,464,504 = 20,464,504 : x
2. Step 2: Convert to fraction form
   9,786,104/20,464,504 = 20,464,504/x
3. Step 3: Cross multiply
   9,786,104x = 20,464,504 × 20,464,504
4. Step 4: Simplify right side
   9,786,104x = 418,795,923,966,016
5. Step 5: Solve for x
   x = 418,795,923,966,016/9,786,104
6. Step 6: Final answer
   x = 42,794,959.46