Finding the Third Proportional to 21,342 and 31,353

Step by Step Solution

1. Step 1: Write the proportion equation
   21,342 : 31,353 = 31,353 : x
2. Step 2: Convert to fraction form
   21,342/31,353 = 31,353/x
3. Step 3: Cross multiply
   21,342x = 31,353 × 31,353
4. Step 4: Simplify right side
   21,342x = 983,010,609
5. Step 5: Solve for x
   x = 983,010,609/21,342
6. Step 6: Final answer
   x = 46,059.91