Finding the Third Proportional to 18,285.75 and 28,081.69

Step by Step Solution

1. Step 1: Write the proportion equation
   18,285.75 : 28,081.69 = 28,081.69 : x
2. Step 2: Convert to fraction form
   18,285.75/28,081.69 = 28,081.69/x
3. Step 3: Cross multiply
   18,285.75x = 28,081.69 × 28,081.69
4. Step 4: Simplify right side
   18,285.75x = 788,581,172.85
5. Step 5: Solve for x
   x = 788,581,172.85/18,285.75
6. Step 6: Final answer
   x = 43,125.45