Finding the Third Proportional to 59,483 and 87,580

Step by Step Solution

1. Step 1: Write the proportion equation
   59,483 : 87,580 = 87,580 : x
2. Step 2: Convert to fraction form
   59,483/87,580 = 87,580/x
3. Step 3: Cross multiply
   59,483x = 87,580 × 87,580
4. Step 4: Simplify right side
   59,483x = 7,670,256,400
5. Step 5: Solve for x
   x = 7,670,256,400/59,483
6. Step 6: Final answer
   x = 128,948.71