Finding the Third Proportional to 18,545.50 and 28,285.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,545.50 : 28,285.50 = 28,285.50 : x
2. Step 2: Convert to fraction form
   18,545.50/28,285.50 = 28,285.50/x
3. Step 3: Cross multiply
   18,545.50x = 28,285.50 × 28,285.50
4. Step 4: Simplify right side
   18,545.50x = 800,069,510.25
5. Step 5: Solve for x
   x = 800,069,510.25/18,545.50
6. Step 6: Final answer
   x = 43,140.90