Finding the Third Proportional to 18,519.75 and 28,150.88

Step by Step Solution

1. Step 1: Write the proportion equation
   18,519.75 : 28,150.88 = 28,150.88 : x
2. Step 2: Convert to fraction form
   18,519.75/28,150.88 = 28,150.88/x
3. Step 3: Cross multiply
   18,519.75x = 28,150.88 × 28,150.88
4. Step 4: Simplify right side
   18,519.75x = 792,471,763.27
5. Step 5: Solve for x
   x = 792,471,763.27/18,519.75
6. Step 6: Final answer
   x = 42,790.63