Finding the Third Proportional to 4,900.50 and 7,144.88

Step by Step Solution

1. Step 1: Write the proportion equation
   4,900.50 : 7,144.88 = 7,144.88 : x
2. Step 2: Convert to fraction form
   4,900.50/7,144.88 = 7,144.88/x
3. Step 3: Cross multiply
   4,900.50x = 7,144.88 × 7,144.88
4. Step 4: Simplify right side
   4,900.50x = 51,049,238.77
5. Step 5: Solve for x
   x = 51,049,238.77/4,900.50
6. Step 6: Final answer
   x = 10,417.15