Finding the Third Proportional to 21,258 and 31,797

Step by Step Solution

1. Step 1: Write the proportion equation
   21,258 : 31,797 = 31,797 : x
2. Step 2: Convert to fraction form
   21,258/31,797 = 31,797/x
3. Step 3: Cross multiply
   21,258x = 31,797 × 31,797
4. Step 4: Simplify right side
   21,258x = 1,011,049,209
5. Step 5: Solve for x
   x = 1,011,049,209/21,258
6. Step 6: Final answer
   x = 47,560.88