Finding the Third Proportional to 12,894.75 and 16,870.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,894.75 : 16,870.50 = 16,870.50 : x
2. Step 2: Convert to fraction form
   12,894.75/16,870.50 = 16,870.50/x
3. Step 3: Cross multiply
   12,894.75x = 16,870.50 × 16,870.50
4. Step 4: Simplify right side
   12,894.75x = 284,613,770.25
5. Step 5: Solve for x
   x = 284,613,770.25/12,894.75
6. Step 6: Final answer
   x = 22,072.07