Finding the Third Proportional to 20,712 and 31,072

Step by Step Solution

1. Step 1: Write the proportion equation
   20,712 : 31,072 = 31,072 : x
2. Step 2: Convert to fraction form
   20,712/31,072 = 31,072/x
3. Step 3: Cross multiply
   20,712x = 31,072 × 31,072
4. Step 4: Simplify right side
   20,712x = 965,469,184
5. Step 5: Solve for x
   x = 965,469,184/20,712
6. Step 6: Final answer
   x = 46,614.00