Finding the Third Proportional to 2,553 and 5,234.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553 : 5,234.25 = 5,234.25 : x
2. Step 2: Convert to fraction form
   2,553/5,234.25 = 5,234.25/x
3. Step 3: Cross multiply
   2,553x = 5,234.25 × 5,234.25
4. Step 4: Simplify right side
   2,553x = 27,397,373.06
5. Step 5: Solve for x
   x = 27,397,373.06/2,553
6. Step 6: Final answer
   x = 10,731.44