Finding the Third Proportional to 111,060 and 166,408.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,060 : 166,408.50 = 166,408.50 : x
2. Step 2: Convert to fraction form
   111,060/166,408.50 = 166,408.50/x
3. Step 3: Cross multiply
   111,060x = 166,408.50 × 166,408.50
4. Step 4: Simplify right side
   111,060x = 27,691,788,872.25
5. Step 5: Solve for x
   x = 27,691,788,872.25/111,060
6. Step 6: Final answer
   x = 249,340.80