Finding the Third Proportional to 2,490.75 and 5,481

Step by Step Solution

1. Step 1: Write the proportion equation
   2,490.75 : 5,481 = 5,481 : x
2. Step 2: Convert to fraction form
   2,490.75/5,481 = 5,481/x
3. Step 3: Cross multiply
   2,490.75x = 5,481 × 5,481
4. Step 4: Simplify right side
   2,490.75x = 30,041,361
5. Step 5: Solve for x
   x = 30,041,361/2,490.75
6. Step 6: Final answer
   x = 12,061.17