Finding the Third Proportional to 8,231.38 and 19,422.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,231.38 : 19,422.88 = 19,422.88 : x
2. Step 2: Convert to fraction form
   8,231.38/19,422.88 = 19,422.88/x
3. Step 3: Cross multiply
   8,231.38x = 19,422.88 × 19,422.88
4. Step 4: Simplify right side
   8,231.38x = 377,248,073.27
5. Step 5: Solve for x
   x = 377,248,073.27/8,231.38
6. Step 6: Final answer
   x = 45,830.51