Finding the Third Proportional to 19,240 and 41,217.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,240 : 41,217.50 = 41,217.50 : x
2. Step 2: Convert to fraction form
   19,240/41,217.50 = 41,217.50/x
3. Step 3: Cross multiply
   19,240x = 41,217.50 × 41,217.50
4. Step 4: Simplify right side
   19,240x = 1,698,882,306.25
5. Step 5: Solve for x
   x = 1,698,882,306.25/19,240
6. Step 6: Final answer
   x = 88,299.50