Finding the Third Proportional to 18,801 and 39,019.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,801 : 39,019.50 = 39,019.50 : x
2. Step 2: Convert to fraction form
   18,801/39,019.50 = 39,019.50/x
3. Step 3: Cross multiply
   18,801x = 39,019.50 × 39,019.50
4. Step 4: Simplify right side
   18,801x = 1,522,521,380.25
5. Step 5: Solve for x
   x = 1,522,521,380.25/18,801
6. Step 6: Final answer
   x = 80,980.87