Finding the Third Proportional to 20,404 and 29,388

Step by Step Solution

1. Step 1: Write the proportion equation
   20,404 : 29,388 = 29,388 : x
2. Step 2: Convert to fraction form
   20,404/29,388 = 29,388/x
3. Step 3: Cross multiply
   20,404x = 29,388 × 29,388
4. Step 4: Simplify right side
   20,404x = 863,654,544
5. Step 5: Solve for x
   x = 863,654,544/20,404
6. Step 6: Final answer
   x = 42,327.71