Finding the Third Proportional to 59,724 and 91,660.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,724 : 91,660.50 = 91,660.50 : x
2. Step 2: Convert to fraction form
   59,724/91,660.50 = 91,660.50/x
3. Step 3: Cross multiply
   59,724x = 91,660.50 × 91,660.50
4. Step 4: Simplify right side
   59,724x = 8,401,647,260.25
5. Step 5: Solve for x
   x = 8,401,647,260.25/59,724
6. Step 6: Final answer
   x = 140,674.56