Finding the Third Proportional to 19,855.25 and 30,872

Step by Step Solution

1. Step 1: Write the proportion equation
   19,855.25 : 30,872 = 30,872 : x
2. Step 2: Convert to fraction form
   19,855.25/30,872 = 30,872/x
3. Step 3: Cross multiply
   19,855.25x = 30,872 × 30,872
4. Step 4: Simplify right side
   19,855.25x = 953,080,384
5. Step 5: Solve for x
   x = 953,080,384/19,855.25
6. Step 6: Final answer
   x = 48,001.43