Finding the Third Proportional to 21,139 and 31,096

Step by Step Solution

1. Step 1: Write the proportion equation
   21,139 : 31,096 = 31,096 : x
2. Step 2: Convert to fraction form
   21,139/31,096 = 31,096/x
3. Step 3: Cross multiply
   21,139x = 31,096 × 31,096
4. Step 4: Simplify right side
   21,139x = 966,961,216
5. Step 5: Solve for x
   x = 966,961,216/21,139
6. Step 6: Final answer
   x = 45,743.00