Finding the Third Proportional to 4,368,878 and 9,577,568

Step by Step Solution

1. Step 1: Write the proportion equation
   4,368,878 : 9,577,568 = 9,577,568 : x
2. Step 2: Convert to fraction form
   4,368,878/9,577,568 = 9,577,568/x
3. Step 3: Cross multiply
   4,368,878x = 9,577,568 × 9,577,568
4. Step 4: Simplify right side
   4,368,878x = 91,729,808,794,624
5. Step 5: Solve for x
   x = 91,729,808,794,624/4,368,878
6. Step 6: Final answer
   x = 20,996,193.71