Finding the Third Proportional to 40,306.50 and 59,242.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,306.50 : 59,242.50 = 59,242.50 : x
2. Step 2: Convert to fraction form
   40,306.50/59,242.50 = 59,242.50/x
3. Step 3: Cross multiply
   40,306.50x = 59,242.50 × 59,242.50
4. Step 4: Simplify right side
   40,306.50x = 3,509,673,806.25
5. Step 5: Solve for x
   x = 3,509,673,806.25/40,306.50
6. Step 6: Final answer
   x = 87,074.64