Finding the Third Proportional to 19,571 and 42,181

Step by Step Solution

1. Step 1: Write the proportion equation
   19,571 : 42,181 = 42,181 : x
2. Step 2: Convert to fraction form
   19,571/42,181 = 42,181/x
3. Step 3: Cross multiply
   19,571x = 42,181 × 42,181
4. Step 4: Simplify right side
   19,571x = 1,779,236,761
5. Step 5: Solve for x
   x = 1,779,236,761/19,571
6. Step 6: Final answer
   x = 90,911.90