Finding the Third Proportional to 111,173.63 and 166,456.69

Step by Step Solution

1. Step 1: Write the proportion equation
   111,173.63 : 166,456.69 = 166,456.69 : x
2. Step 2: Convert to fraction form
   111,173.63/166,456.69 = 166,456.69/x
3. Step 3: Cross multiply
   111,173.63x = 166,456.69 × 166,456.69
4. Step 4: Simplify right side
   111,173.63x = 27,707,828,813.47
5. Step 5: Solve for x
   x = 27,707,828,813.47/111,173.63
6. Step 6: Final answer
   x = 249,230.24