Finding the Third Proportional to 18,942.75 and 28,414.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,942.75 : 28,414.50 = 28,414.50 : x
2. Step 2: Convert to fraction form
   18,942.75/28,414.50 = 28,414.50/x
3. Step 3: Cross multiply
   18,942.75x = 28,414.50 × 28,414.50
4. Step 4: Simplify right side
   18,942.75x = 807,383,810.25
5. Step 5: Solve for x
   x = 807,383,810.25/18,942.75
6. Step 6: Final answer
   x = 42,622.31