Finding the Third Proportional to 19,658.25 and 30,479.63

Step by Step Solution

1. Step 1: Write the proportion equation
   19,658.25 : 30,479.63 = 30,479.63 : x
2. Step 2: Convert to fraction form
   19,658.25/30,479.63 = 30,479.63/x
3. Step 3: Cross multiply
   19,658.25x = 30,479.63 × 30,479.63
4. Step 4: Simplify right side
   19,658.25x = 929,007,540.14
5. Step 5: Solve for x
   x = 929,007,540.14/19,658.25
6. Step 6: Final answer
   x = 47,257.90