Finding the Third Proportional to 122,519.25 and 166,279.50

Step by Step Solution

1. Step 1: Write the proportion equation
   122,519.25 : 166,279.50 = 166,279.50 : x
2. Step 2: Convert to fraction form
   122,519.25/166,279.50 = 166,279.50/x
3. Step 3: Cross multiply
   122,519.25x = 166,279.50 × 166,279.50
4. Step 4: Simplify right side
   122,519.25x = 27,648,872,120.25
5. Step 5: Solve for x
   x = 27,648,872,120.25/122,519.25
6. Step 6: Final answer
   x = 225,669.62