Finding the Third Proportional to 2,487.50 and 5,471

Step by Step Solution

1. Step 1: Write the proportion equation
   2,487.50 : 5,471 = 5,471 : x
2. Step 2: Convert to fraction form
   2,487.50/5,471 = 5,471/x
3. Step 3: Cross multiply
   2,487.50x = 5,471 × 5,471
4. Step 4: Simplify right side
   2,487.50x = 29,931,841
5. Step 5: Solve for x
   x = 29,931,841/2,487.50
6. Step 6: Final answer
   x = 12,032.90