Finding the Third Proportional to 59,871 and 89,287

Step by Step Solution

1. Step 1: Write the proportion equation
   59,871 : 89,287 = 89,287 : x
2. Step 2: Convert to fraction form
   59,871/89,287 = 89,287/x
3. Step 3: Cross multiply
   59,871x = 89,287 × 89,287
4. Step 4: Simplify right side
   59,871x = 7,972,168,369
5. Step 5: Solve for x
   x = 7,972,168,369/59,871
6. Step 6: Final answer
   x = 133,155.76