Finding the Third Proportional to 17,399 and 31,341

Step by Step Solution

1. Step 1: Write the proportion equation
   17,399 : 31,341 = 31,341 : x
2. Step 2: Convert to fraction form
   17,399/31,341 = 31,341/x
3. Step 3: Cross multiply
   17,399x = 31,341 × 31,341
4. Step 4: Simplify right side
   17,399x = 982,258,281
5. Step 5: Solve for x
   x = 982,258,281/17,399
6. Step 6: Final answer
   x = 56,454.87