Finding the Third Proportional to 19,039.50 and 28,559.25

Step by Step Solution

1. Step 1: Write the proportion equation
   19,039.50 : 28,559.25 = 28,559.25 : x
2. Step 2: Convert to fraction form
   19,039.50/28,559.25 = 28,559.25/x
3. Step 3: Cross multiply
   19,039.50x = 28,559.25 × 28,559.25
4. Step 4: Simplify right side
   19,039.50x = 815,630,760.56
5. Step 5: Solve for x
   x = 815,630,760.56/19,039.50
6. Step 6: Final answer
   x = 42,838.88