Finding the Third Proportional to 19,404 and 41,910

Step by Step Solution

1. Step 1: Write the proportion equation
   19,404 : 41,910 = 41,910 : x
2. Step 2: Convert to fraction form
   19,404/41,910 = 41,910/x
3. Step 3: Cross multiply
   19,404x = 41,910 × 41,910
4. Step 4: Simplify right side
   19,404x = 1,756,448,100
5. Step 5: Solve for x
   x = 1,756,448,100/19,404
6. Step 6: Final answer
   x = 90,519.90