Finding the Third Proportional to 38,658.94 and 42,729.19

Step by Step Solution

1. Step 1: Write the proportion equation
   38,658.94 : 42,729.19 = 42,729.19 : x
2. Step 2: Convert to fraction form
   38,658.94/42,729.19 = 42,729.19/x
3. Step 3: Cross multiply
   38,658.94x = 42,729.19 × 42,729.19
4. Step 4: Simplify right side
   38,658.94x = 1,825,783,464.41
5. Step 5: Solve for x
   x = 1,825,783,464.41/38,658.94
6. Step 6: Final answer
   x = 47,227.98