Finding the Third Proportional to 13,279.50 and 18,276.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,279.50 : 18,276.75 = 18,276.75 : x
2. Step 2: Convert to fraction form
   13,279.50/18,276.75 = 18,276.75/x
3. Step 3: Cross multiply
   13,279.50x = 18,276.75 × 18,276.75
4. Step 4: Simplify right side
   13,279.50x = 334,039,590.56
5. Step 5: Solve for x
   x = 334,039,590.56/13,279.50
6. Step 6: Final answer
   x = 25,154.53