Finding the Third Proportional to 8,836.31 and 19,231.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,836.31 : 19,231.31 = 19,231.31 : x
2. Step 2: Convert to fraction form
   8,836.31/19,231.31 = 19,231.31/x
3. Step 3: Cross multiply
   8,836.31x = 19,231.31 × 19,231.31
4. Step 4: Simplify right side
   8,836.31x = 369,843,380.47
5. Step 5: Solve for x
   x = 369,843,380.47/8,836.31
6. Step 6: Final answer
   x = 41,854.95