Finding the Third Proportional to 4,311,896 and 9,388,768

Step by Step Solution

1. Step 1: Write the proportion equation
   4,311,896 : 9,388,768 = 9,388,768 : x
2. Step 2: Convert to fraction form
   4,311,896/9,388,768 = 9,388,768/x
3. Step 3: Cross multiply
   4,311,896x = 9,388,768 × 9,388,768
4. Step 4: Simplify right side
   4,311,896x = 88,148,964,557,824
5. Step 5: Solve for x
   x = 88,148,964,557,824/4,311,896
6. Step 6: Final answer
   x = 20,443,202.84