Finding the Third Proportional to 59,482 and 87,578

Step by Step Solution

1. Step 1: Write the proportion equation
   59,482 : 87,578 = 87,578 : x
2. Step 2: Convert to fraction form
   59,482/87,578 = 87,578/x
3. Step 3: Cross multiply
   59,482x = 87,578 × 87,578
4. Step 4: Simplify right side
   59,482x = 7,669,906,084
5. Step 5: Solve for x
   x = 7,669,906,084/59,482
6. Step 6: Final answer
   x = 128,944.99