Finding the Third Proportional to 59,424.50 and 86,459

Step by Step Solution

1. Step 1: Write the proportion equation
   59,424.50 : 86,459 = 86,459 : x
2. Step 2: Convert to fraction form
   59,424.50/86,459 = 86,459/x
3. Step 3: Cross multiply
   59,424.50x = 86,459 × 86,459
4. Step 4: Simplify right side
   59,424.50x = 7,475,158,681
5. Step 5: Solve for x
   x = 7,475,158,681/59,424.50
6. Step 6: Final answer
   x = 125,792.54