Finding the Third Proportional to 59,485 and 87,582

Step by Step Solution

1. Step 1: Write the proportion equation
   59,485 : 87,582 = 87,582 : x
2. Step 2: Convert to fraction form
   59,485/87,582 = 87,582/x
3. Step 3: Cross multiply
   59,485x = 87,582 × 87,582
4. Step 4: Simplify right side
   59,485x = 7,670,606,724
5. Step 5: Solve for x
   x = 7,670,606,724/59,485
6. Step 6: Final answer
   x = 128,950.27