Finding the Third Proportional to 42,167 and 61,981

Step by Step Solution

1. Step 1: Write the proportion equation
   42,167 : 61,981 = 61,981 : x
2. Step 2: Convert to fraction form
   42,167/61,981 = 61,981/x
3. Step 3: Cross multiply
   42,167x = 61,981 × 61,981
4. Step 4: Simplify right side
   42,167x = 3,841,644,361
5. Step 5: Solve for x
   x = 3,841,644,361/42,167
6. Step 6: Final answer
   x = 91,105.47