Finding the Third Proportional to 16,843.50 and 34,658.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,843.50 : 34,658.50 = 34,658.50 : x
2. Step 2: Convert to fraction form
   16,843.50/34,658.50 = 34,658.50/x
3. Step 3: Cross multiply
   16,843.50x = 34,658.50 × 34,658.50
4. Step 4: Simplify right side
   16,843.50x = 1,201,211,622.25
5. Step 5: Solve for x
   x = 1,201,211,622.25/16,843.50
6. Step 6: Final answer
   x = 71,316.03