Finding the Third Proportional to 19,454 and 41,980

Step by Step Solution

1. Step 1: Write the proportion equation
   19,454 : 41,980 = 41,980 : x
2. Step 2: Convert to fraction form
   19,454/41,980 = 41,980/x
3. Step 3: Cross multiply
   19,454x = 41,980 × 41,980
4. Step 4: Simplify right side
   19,454x = 1,762,320,400
5. Step 5: Solve for x
   x = 1,762,320,400/19,454
6. Step 6: Final answer
   x = 90,589.10