Finding the Third Proportional to 18,481.50 and 30,874.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,481.50 : 30,874.50 = 30,874.50 : x
2. Step 2: Convert to fraction form
   18,481.50/30,874.50 = 30,874.50/x
3. Step 3: Cross multiply
   18,481.50x = 30,874.50 × 30,874.50
4. Step 4: Simplify right side
   18,481.50x = 953,234,750.25
5. Step 5: Solve for x
   x = 953,234,750.25/18,481.50
6. Step 6: Final answer
   x = 51,577.78