Finding the Third Proportional to 21,031 and 31,244

Step by Step Solution

1. Step 1: Write the proportion equation
   21,031 : 31,244 = 31,244 : x
2. Step 2: Convert to fraction form
   21,031/31,244 = 31,244/x
3. Step 3: Cross multiply
   21,031x = 31,244 × 31,244
4. Step 4: Simplify right side
   21,031x = 976,187,536
5. Step 5: Solve for x
   x = 976,187,536/21,031
6. Step 6: Final answer
   x = 46,416.60