Finding the Third Proportional to 10,396.50 and 13,731

Step by Step Solution

1. Step 1: Write the proportion equation
   10,396.50 : 13,731 = 13,731 : x
2. Step 2: Convert to fraction form
   10,396.50/13,731 = 13,731/x
3. Step 3: Cross multiply
   10,396.50x = 13,731 × 13,731
4. Step 4: Simplify right side
   10,396.50x = 188,540,361
5. Step 5: Solve for x
   x = 188,540,361/10,396.50
6. Step 6: Final answer
   x = 18,134.98