Finding the Third Proportional to 19,489.25 and 28,504.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,489.25 : 28,504.50 = 28,504.50 : x
2. Step 2: Convert to fraction form
   19,489.25/28,504.50 = 28,504.50/x
3. Step 3: Cross multiply
   19,489.25x = 28,504.50 × 28,504.50
4. Step 4: Simplify right side
   19,489.25x = 812,506,520.25
5. Step 5: Solve for x
   x = 812,506,520.25/19,489.25
6. Step 6: Final answer
   x = 41,689.98