Finding the Third Proportional to 15,080 and 21,936

Step by Step Solution

1. Step 1: Write the proportion equation
   15,080 : 21,936 = 21,936 : x
2. Step 2: Convert to fraction form
   15,080/21,936 = 21,936/x
3. Step 3: Cross multiply
   15,080x = 21,936 × 21,936
4. Step 4: Simplify right side
   15,080x = 481,188,096
5. Step 5: Solve for x
   x = 481,188,096/15,080
6. Step 6: Final answer
   x = 31,909.02