Finding the Third Proportional to 18,840.09 and 31,996.27

Step by Step Solution

1. Step 1: Write the proportion equation
   18,840.09 : 31,996.27 = 31,996.27 : x
2. Step 2: Convert to fraction form
   18,840.09/31,996.27 = 31,996.27/x
3. Step 3: Cross multiply
   18,840.09x = 31,996.27 × 31,996.27
4. Step 4: Simplify right side
   18,840.09x = 1,023,761,013.95
5. Step 5: Solve for x
   x = 1,023,761,013.95/18,840.09
6. Step 6: Final answer
   x = 54,339.49