Finding the Third Proportional to 19,530 and 41,388

Step by Step Solution

1. Step 1: Write the proportion equation
   19,530 : 41,388 = 41,388 : x
2. Step 2: Convert to fraction form
   19,530/41,388 = 41,388/x
3. Step 3: Cross multiply
   19,530x = 41,388 × 41,388
4. Step 4: Simplify right side
   19,530x = 1,712,966,544
5. Step 5: Solve for x
   x = 1,712,966,544/19,530
6. Step 6: Final answer
   x = 87,709.50