Finding the Third Proportional to 4,648.50 and 11,499.75

Step by Step Solution

1. Step 1: Write the proportion equation
   4,648.50 : 11,499.75 = 11,499.75 : x
2. Step 2: Convert to fraction form
   4,648.50/11,499.75 = 11,499.75/x
3. Step 3: Cross multiply
   4,648.50x = 11,499.75 × 11,499.75
4. Step 4: Simplify right side
   4,648.50x = 132,244,250.06
5. Step 5: Solve for x
   x = 132,244,250.06/4,648.50
6. Step 6: Final answer
   x = 28,448.80