Finding the Third Proportional to 8,669.50 and 13,394.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,669.50 : 13,394.50 = 13,394.50 : x
2. Step 2: Convert to fraction form
   8,669.50/13,394.50 = 13,394.50/x
3. Step 3: Cross multiply
   8,669.50x = 13,394.50 × 13,394.50
4. Step 4: Simplify right side
   8,669.50x = 179,412,630.25
5. Step 5: Solve for x
   x = 179,412,630.25/8,669.50
6. Step 6: Final answer
   x = 20,694.69