Finding the Third Proportional to 31,089 and 49,443

Step by Step Solution

1. Step 1: Write the proportion equation
   31,089 : 49,443 = 49,443 : x
2. Step 2: Convert to fraction form
   31,089/49,443 = 49,443/x
3. Step 3: Cross multiply
   31,089x = 49,443 × 49,443
4. Step 4: Simplify right side
   31,089x = 2,444,610,249
5. Step 5: Solve for x
   x = 2,444,610,249/31,089
6. Step 6: Final answer
   x = 78,632.64