Finding the Third Proportional to 11,128 and 23,930

Step by Step Solution

1. Step 1: Write the proportion equation
   11,128 : 23,930 = 23,930 : x
2. Step 2: Convert to fraction form
   11,128/23,930 = 23,930/x
3. Step 3: Cross multiply
   11,128x = 23,930 × 23,930
4. Step 4: Simplify right side
   11,128x = 572,644,900
5. Step 5: Solve for x
   x = 572,644,900/11,128
6. Step 6: Final answer
   x = 51,459.82