Finding the Third Proportional to 42,067 and 89,971

Step by Step Solution

1. Step 1: Write the proportion equation
   42,067 : 89,971 = 89,971 : x
2. Step 2: Convert to fraction form
   42,067/89,971 = 89,971/x
3. Step 3: Cross multiply
   42,067x = 89,971 × 89,971
4. Step 4: Simplify right side
   42,067x = 8,094,780,841
5. Step 5: Solve for x
   x = 8,094,780,841/42,067
6. Step 6: Final answer
   x = 192,425.91