Finding the Third Proportional to 8,147,966 and 17,922,988

Step by Step Solution

1. Step 1: Write the proportion equation
   8,147,966 : 17,922,988 = 17,922,988 : x
2. Step 2: Convert to fraction form
   8,147,966/17,922,988 = 17,922,988/x
3. Step 3: Cross multiply
   8,147,966x = 17,922,988 × 17,922,988
4. Step 4: Simplify right side
   8,147,966x = 321,233,498,848,144
5. Step 5: Solve for x
   x = 321,233,498,848,144/8,147,966
6. Step 6: Final answer
   x = 39,424,992.55