Finding the Third Proportional to 12,472 and 17,864

Step by Step Solution

1. Step 1: Write the proportion equation
   12,472 : 17,864 = 17,864 : x
2. Step 2: Convert to fraction form
   12,472/17,864 = 17,864/x
3. Step 3: Cross multiply
   12,472x = 17,864 × 17,864
4. Step 4: Simplify right side
   12,472x = 319,122,496
5. Step 5: Solve for x
   x = 319,122,496/12,472
6. Step 6: Final answer
   x = 25,587.11