Finding the Third Proportional to 23,690 and 31,604

Step by Step Solution

1. Step 1: Write the proportion equation
   23,690 : 31,604 = 31,604 : x
2. Step 2: Convert to fraction form
   23,690/31,604 = 31,604/x
3. Step 3: Cross multiply
   23,690x = 31,604 × 31,604
4. Step 4: Simplify right side
   23,690x = 998,812,816
5. Step 5: Solve for x
   x = 998,812,816/23,690
6. Step 6: Final answer
   x = 42,161.79