Finding the Third Proportional to 18,801.75 and 40,105.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,801.75 : 40,105.50 = 40,105.50 : x
2. Step 2: Convert to fraction form
   18,801.75/40,105.50 = 40,105.50/x
3. Step 3: Cross multiply
   18,801.75x = 40,105.50 × 40,105.50
4. Step 4: Simplify right side
   18,801.75x = 1,608,451,130.25
5. Step 5: Solve for x
   x = 1,608,451,130.25/18,801.75
6. Step 6: Final answer
   x = 85,547.95