Finding the Third Proportional to 16,778 and 34,284

Step by Step Solution

1. Step 1: Write the proportion equation
   16,778 : 34,284 = 34,284 : x
2. Step 2: Convert to fraction form
   16,778/34,284 = 34,284/x
3. Step 3: Cross multiply
   16,778x = 34,284 × 34,284
4. Step 4: Simplify right side
   16,778x = 1,175,392,656
5. Step 5: Solve for x
   x = 1,175,392,656/16,778
6. Step 6: Final answer
   x = 70,055.59