Finding the Third Proportional to 6,726.38 and 13,726.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,726.38 : 13,726.50 = 13,726.50 : x
2. Step 2: Convert to fraction form
   6,726.38/13,726.50 = 13,726.50/x
3. Step 3: Cross multiply
   6,726.38x = 13,726.50 × 13,726.50
4. Step 4: Simplify right side
   6,726.38x = 188,416,802.25
5. Step 5: Solve for x
   x = 188,416,802.25/6,726.38
6. Step 6: Final answer
   x = 28,011.64