Finding the Third Proportional to 14,872 and 19,870

Step by Step Solution

1. Step 1: Write the proportion equation
   14,872 : 19,870 = 19,870 : x
2. Step 2: Convert to fraction form
   14,872/19,870 = 19,870/x
3. Step 3: Cross multiply
   14,872x = 19,870 × 19,870
4. Step 4: Simplify right side
   14,872x = 394,816,900
5. Step 5: Solve for x
   x = 394,816,900/14,872
6. Step 6: Final answer
   x = 26,547.67