Finding the Third Proportional to 19,489.50 and 41,028.75

Step by Step Solution

1. Step 1: Write the proportion equation
   19,489.50 : 41,028.75 = 41,028.75 : x
2. Step 2: Convert to fraction form
   19,489.50/41,028.75 = 41,028.75/x
3. Step 3: Cross multiply
   19,489.50x = 41,028.75 × 41,028.75
4. Step 4: Simplify right side
   19,489.50x = 1,683,358,326.56
5. Step 5: Solve for x
   x = 1,683,358,326.56/19,489.50
6. Step 6: Final answer
   x = 86,372.58