Finding the Third Proportional to 59,170 and 89,371

Step by Step Solution

1. Step 1: Write the proportion equation
   59,170 : 89,371 = 89,371 : x
2. Step 2: Convert to fraction form
   59,170/89,371 = 89,371/x
3. Step 3: Cross multiply
   59,170x = 89,371 × 89,371
4. Step 4: Simplify right side
   59,170x = 7,987,175,641
5. Step 5: Solve for x
   x = 7,987,175,641/59,170
6. Step 6: Final answer
   x = 134,986.91