Finding the Third Proportional to 4,319,144 and 9,451,768

Step by Step Solution

1. Step 1: Write the proportion equation
   4,319,144 : 9,451,768 = 9,451,768 : x
2. Step 2: Convert to fraction form
   4,319,144/9,451,768 = 9,451,768/x
3. Step 3: Cross multiply
   4,319,144x = 9,451,768 × 9,451,768
4. Step 4: Simplify right side
   4,319,144x = 89,335,918,325,824
5. Step 5: Solve for x
   x = 89,335,918,325,824/4,319,144
6. Step 6: Final answer
   x = 20,683,709.16