Finding the Third Proportional to 18,866.75 and 41,009.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,866.75 : 41,009.50 = 41,009.50 : x
2. Step 2: Convert to fraction form
   18,866.75/41,009.50 = 41,009.50/x
3. Step 3: Cross multiply
   18,866.75x = 41,009.50 × 41,009.50
4. Step 4: Simplify right side
   18,866.75x = 1,681,779,090.25
5. Step 5: Solve for x
   x = 1,681,779,090.25/18,866.75
6. Step 6: Final answer
   x = 89,139.84