Finding the Third Proportional to 21,637 and 31,604

Step by Step Solution

1. Step 1: Write the proportion equation
   21,637 : 31,604 = 31,604 : x
2. Step 2: Convert to fraction form
   21,637/31,604 = 31,604/x
3. Step 3: Cross multiply
   21,637x = 31,604 × 31,604
4. Step 4: Simplify right side
   21,637x = 998,812,816
5. Step 5: Solve for x
   x = 998,812,816/21,637
6. Step 6: Final answer
   x = 46,162.26