Finding the Third Proportional to 108,666.75 and 166,229

Step by Step Solution

1. Step 1: Write the proportion equation
   108,666.75 : 166,229 = 166,229 : x
2. Step 2: Convert to fraction form
   108,666.75/166,229 = 166,229/x
3. Step 3: Cross multiply
   108,666.75x = 166,229 × 166,229
4. Step 4: Simplify right side
   108,666.75x = 27,632,080,441
5. Step 5: Solve for x
   x = 27,632,080,441/108,666.75
6. Step 6: Final answer
   x = 254,282.75