Finding the Third Proportional to 8,626.50 and 13,398.75

Step by Step Solution

1. Step 1: Write the proportion equation
   8,626.50 : 13,398.75 = 13,398.75 : x
2. Step 2: Convert to fraction form
   8,626.50/13,398.75 = 13,398.75/x
3. Step 3: Cross multiply
   8,626.50x = 13,398.75 × 13,398.75
4. Step 4: Simplify right side
   8,626.50x = 179,526,501.56
5. Step 5: Solve for x
   x = 179,526,501.56/8,626.50
6. Step 6: Final answer
   x = 20,811.05