Finding the Third Proportional to 59,760 and 89,289

Step by Step Solution

1. Step 1: Write the proportion equation
   59,760 : 89,289 = 89,289 : x
2. Step 2: Convert to fraction form
   59,760/89,289 = 89,289/x
3. Step 3: Cross multiply
   59,760x = 89,289 × 89,289
4. Step 4: Simplify right side
   59,760x = 7,972,525,521
5. Step 5: Solve for x
   x = 7,972,525,521/59,760
6. Step 6: Final answer
   x = 133,409.06