Finding the Third Proportional to 28,751.50 and 39,591.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,751.50 : 39,591.50 = 39,591.50 : x
2. Step 2: Convert to fraction form
   28,751.50/39,591.50 = 39,591.50/x
3. Step 3: Cross multiply
   28,751.50x = 39,591.50 × 39,591.50
4. Step 4: Simplify right side
   28,751.50x = 1,567,486,872.25
5. Step 5: Solve for x
   x = 1,567,486,872.25/28,751.50
6. Step 6: Final answer
   x = 54,518.44