Finding the Third Proportional to 2,631.50 and 5,731

Step by Step Solution

1. Step 1: Write the proportion equation
   2,631.50 : 5,731 = 5,731 : x
2. Step 2: Convert to fraction form
   2,631.50/5,731 = 5,731/x
3. Step 3: Cross multiply
   2,631.50x = 5,731 × 5,731
4. Step 4: Simplify right side
   2,631.50x = 32,844,361
5. Step 5: Solve for x
   x = 32,844,361/2,631.50
6. Step 6: Final answer
   x = 12,481.23