Finding the Third Proportional to 5,819,456 and 12,568,144

Step by Step Solution

1. Step 1: Write the proportion equation
   5,819,456 : 12,568,144 = 12,568,144 : x
2. Step 2: Convert to fraction form
   5,819,456/12,568,144 = 12,568,144/x
3. Step 3: Cross multiply
   5,819,456x = 12,568,144 × 12,568,144
4. Step 4: Simplify right side
   5,819,456x = 157,958,243,604,736
5. Step 5: Solve for x
   x = 157,958,243,604,736/5,819,456
6. Step 6: Final answer
   x = 27,143,128.77