Finding the Third Proportional to 17,088 and 18,336

Step by Step Solution

1. Step 1: Write the proportion equation
   17,088 : 18,336 = 18,336 : x
2. Step 2: Convert to fraction form
   17,088/18,336 = 18,336/x
3. Step 3: Cross multiply
   17,088x = 18,336 × 18,336
4. Step 4: Simplify right side
   17,088x = 336,208,896
5. Step 5: Solve for x
   x = 336,208,896/17,088
6. Step 6: Final answer
   x = 19,675.15