Finding the Third Proportional to 59,986 and 89,648

Step by Step Solution

1. Step 1: Write the proportion equation
   59,986 : 89,648 = 89,648 : x
2. Step 2: Convert to fraction form
   59,986/89,648 = 89,648/x
3. Step 3: Cross multiply
   59,986x = 89,648 × 89,648
4. Step 4: Simplify right side
   59,986x = 8,036,763,904
5. Step 5: Solve for x
   x = 8,036,763,904/59,986
6. Step 6: Final answer
   x = 133,977.33