Finding the Third Proportional to 108,663 and 166,223.50

Step by Step Solution

1. Step 1: Write the proportion equation
   108,663 : 166,223.50 = 166,223.50 : x
2. Step 2: Convert to fraction form
   108,663/166,223.50 = 166,223.50/x
3. Step 3: Cross multiply
   108,663x = 166,223.50 × 166,223.50
4. Step 4: Simplify right side
   108,663x = 27,630,251,952.25
5. Step 5: Solve for x
   x = 27,630,251,952.25/108,663
6. Step 6: Final answer
   x = 254,274.70