Finding the Third Proportional to 21,134 and 31,089

Step by Step Solution

1. Step 1: Write the proportion equation
   21,134 : 31,089 = 31,089 : x
2. Step 2: Convert to fraction form
   21,134/31,089 = 31,089/x
3. Step 3: Cross multiply
   21,134x = 31,089 × 31,089
4. Step 4: Simplify right side
   21,134x = 966,525,921
5. Step 5: Solve for x
   x = 966,525,921/21,134
6. Step 6: Final answer
   x = 45,733.22