Finding the Third Proportional to 4,429.69 and 9,074.53

Step by Step Solution

1. Step 1: Write the proportion equation
   4,429.69 : 9,074.53 = 9,074.53 : x
2. Step 2: Convert to fraction form
   4,429.69/9,074.53 = 9,074.53/x
3. Step 3: Cross multiply
   4,429.69x = 9,074.53 × 9,074.53
4. Step 4: Simplify right side
   4,429.69x = 82,347,117.41
5. Step 5: Solve for x
   x = 82,347,117.41/4,429.69
6. Step 6: Final answer
   x = 18,589.83