Finding the Third Proportional to 21,274 and 31,703

Step by Step Solution

1. Step 1: Write the proportion equation
   21,274 : 31,703 = 31,703 : x
2. Step 2: Convert to fraction form
   21,274/31,703 = 31,703/x
3. Step 3: Cross multiply
   21,274x = 31,703 × 31,703
4. Step 4: Simplify right side
   21,274x = 1,005,080,209
5. Step 5: Solve for x
   x = 1,005,080,209/21,274
6. Step 6: Final answer
   x = 47,244.53