Finding the Third Proportional to 40,717 and 59,616.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,717 : 59,616.50 = 59,616.50 : x
2. Step 2: Convert to fraction form
   40,717/59,616.50 = 59,616.50/x
3. Step 3: Cross multiply
   40,717x = 59,616.50 × 59,616.50
4. Step 4: Simplify right side
   40,717x = 3,554,127,072.25
5. Step 5: Solve for x
   x = 3,554,127,072.25/40,717
6. Step 6: Final answer
   x = 87,288.53