Finding the Third Proportional to 8,630.50 and 13,013.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,630.50 : 13,013.50 = 13,013.50 : x
2. Step 2: Convert to fraction form
   8,630.50/13,013.50 = 13,013.50/x
3. Step 3: Cross multiply
   8,630.50x = 13,013.50 × 13,013.50
4. Step 4: Simplify right side
   8,630.50x = 169,351,182.25
5. Step 5: Solve for x
   x = 169,351,182.25/8,630.50
6. Step 6: Final answer
   x = 19,622.41