Finding the Third Proportional to 18,486 and 30,035.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,486 : 30,035.50 = 30,035.50 : x
2. Step 2: Convert to fraction form
   18,486/30,035.50 = 30,035.50/x
3. Step 3: Cross multiply
   18,486x = 30,035.50 × 30,035.50
4. Step 4: Simplify right side
   18,486x = 902,131,260.25
5. Step 5: Solve for x
   x = 902,131,260.25/18,486
6. Step 6: Final answer
   x = 48,800.78