Finding the Third Proportional to 9,143,460 and 19,863,144

Step by Step Solution

1. Step 1: Write the proportion equation
   9,143,460 : 19,863,144 = 19,863,144 : x
2. Step 2: Convert to fraction form
   9,143,460/19,863,144 = 19,863,144/x
3. Step 3: Cross multiply
   9,143,460x = 19,863,144 × 19,863,144
4. Step 4: Simplify right side
   9,143,460x = 394,544,489,564,736
5. Step 5: Solve for x
   x = 394,544,489,564,736/9,143,460
6. Step 6: Final answer
   x = 43,150,458.31