Finding the Third Proportional to 2,242.50 and 5,424

Step by Step Solution

1. Step 1: Write the proportion equation
   2,242.50 : 5,424 = 5,424 : x
2. Step 2: Convert to fraction form
   2,242.50/5,424 = 5,424/x
3. Step 3: Cross multiply
   2,242.50x = 5,424 × 5,424
4. Step 4: Simplify right side
   2,242.50x = 29,419,776
5. Step 5: Solve for x
   x = 29,419,776/2,242.50
6. Step 6: Final answer
   x = 13,119.19