Finding the Third Proportional to 21,134 and 31,373

Step by Step Solution

1. Step 1: Write the proportion equation
   21,134 : 31,373 = 31,373 : x
2. Step 2: Convert to fraction form
   21,134/31,373 = 31,373/x
3. Step 3: Cross multiply
   21,134x = 31,373 × 31,373
4. Step 4: Simplify right side
   21,134x = 984,265,129
5. Step 5: Solve for x
   x = 984,265,129/21,134
6. Step 6: Final answer
   x = 46,572.59