Finding the Third Proportional to 19,555 and 41,878

Step by Step Solution

1. Step 1: Write the proportion equation
   19,555 : 41,878 = 41,878 : x
2. Step 2: Convert to fraction form
   19,555/41,878 = 41,878/x
3. Step 3: Cross multiply
   19,555x = 41,878 × 41,878
4. Step 4: Simplify right side
   19,555x = 1,753,766,884
5. Step 5: Solve for x
   x = 1,753,766,884/19,555
6. Step 6: Final answer
   x = 89,683.81