Finding the Third Proportional to 31,104 and 40,824

Step by Step Solution

1. Step 1: Write the proportion equation
   31,104 : 40,824 = 40,824 : x
2. Step 2: Convert to fraction form
   31,104/40,824 = 40,824/x
3. Step 3: Cross multiply
   31,104x = 40,824 × 40,824
4. Step 4: Simplify right side
   31,104x = 1,666,598,976
5. Step 5: Solve for x
   x = 1,666,598,976/31,104
6. Step 6: Final answer
   x = 53,581.50