Finding the Third Proportional to 16,700 and 33,861

Step by Step Solution

1. Step 1: Write the proportion equation
   16,700 : 33,861 = 33,861 : x
2. Step 2: Convert to fraction form
   16,700/33,861 = 33,861/x
3. Step 3: Cross multiply
   16,700x = 33,861 × 33,861
4. Step 4: Simplify right side
   16,700x = 1,146,567,321
5. Step 5: Solve for x
   x = 1,146,567,321/16,700
6. Step 6: Final answer
   x = 68,656.73