Finding the Third Proportional to 19,291 and 42,275

Step by Step Solution

1. Step 1: Write the proportion equation
   19,291 : 42,275 = 42,275 : x
2. Step 2: Convert to fraction form
   19,291/42,275 = 42,275/x
3. Step 3: Cross multiply
   19,291x = 42,275 × 42,275
4. Step 4: Simplify right side
   19,291x = 1,787,175,625
5. Step 5: Solve for x
   x = 1,787,175,625/19,291
6. Step 6: Final answer
   x = 92,642.97