Finding the Third Proportional to 18,867.38 and 40,810.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,867.38 : 40,810.50 = 40,810.50 : x
2. Step 2: Convert to fraction form
   18,867.38/40,810.50 = 40,810.50/x
3. Step 3: Cross multiply
   18,867.38x = 40,810.50 × 40,810.50
4. Step 4: Simplify right side
   18,867.38x = 1,665,496,910.25
5. Step 5: Solve for x
   x = 1,665,496,910.25/18,867.38
6. Step 6: Final answer
   x = 88,273.91