Finding the Third Proportional to 8,936.06 and 19,428.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,936.06 : 19,428.56 = 19,428.56 : x
2. Step 2: Convert to fraction form
   8,936.06/19,428.56 = 19,428.56/x
3. Step 3: Cross multiply
   8,936.06x = 19,428.56 × 19,428.56
4. Step 4: Simplify right side
   8,936.06x = 377,469,040.82
5. Step 5: Solve for x
   x = 377,469,040.82/8,936.06
6. Step 6: Final answer
   x = 42,241.09