Finding the Third Proportional to 40,474.69 and 59,617.69

Step by Step Solution

1. Step 1: Write the proportion equation
   40,474.69 : 59,617.69 = 59,617.69 : x
2. Step 2: Convert to fraction form
   40,474.69/59,617.69 = 59,617.69/x
3. Step 3: Cross multiply
   40,474.69x = 59,617.69 × 59,617.69
4. Step 4: Simplify right side
   40,474.69x = 3,554,268,662.85
5. Step 5: Solve for x
   x = 3,554,268,662.85/40,474.69
6. Step 6: Final answer
   x = 87,814.60