Finding the Third Proportional to 12,174.75 and 16,279.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,174.75 : 16,279.88 = 16,279.88 : x
2. Step 2: Convert to fraction form
   12,174.75/16,279.88 = 16,279.88/x
3. Step 3: Cross multiply
   12,174.75x = 16,279.88 × 16,279.88
4. Step 4: Simplify right side
   12,174.75x = 265,034,330.02
5. Step 5: Solve for x
   x = 265,034,330.02/12,174.75
6. Step 6: Final answer
   x = 21,769.18