Finding the Third Proportional to 14,386 and 17,554

Step by Step Solution

1. Step 1: Write the proportion equation
   14,386 : 17,554 = 17,554 : x
2. Step 2: Convert to fraction form
   14,386/17,554 = 17,554/x
3. Step 3: Cross multiply
   14,386x = 17,554 × 17,554
4. Step 4: Simplify right side
   14,386x = 308,142,916
5. Step 5: Solve for x
   x = 308,142,916/14,386
6. Step 6: Final answer
   x = 21,419.64