Finding the Third Proportional to 59,998 and 89,510

Step by Step Solution

1. Step 1: Write the proportion equation
   59,998 : 89,510 = 89,510 : x
2. Step 2: Convert to fraction form
   59,998/89,510 = 89,510/x
3. Step 3: Cross multiply
   59,998x = 89,510 × 89,510
4. Step 4: Simplify right side
   59,998x = 8,012,040,100
5. Step 5: Solve for x
   x = 8,012,040,100/59,998
6. Step 6: Final answer
   x = 133,538.45