Finding the Third Proportional to 111,190.50 and 166,479

Step by Step Solution

1. Step 1: Write the proportion equation
   111,190.50 : 166,479 = 166,479 : x
2. Step 2: Convert to fraction form
   111,190.50/166,479 = 166,479/x
3. Step 3: Cross multiply
   111,190.50x = 166,479 × 166,479
4. Step 4: Simplify right side
   111,190.50x = 27,715,257,441
5. Step 5: Solve for x
   x = 27,715,257,441/111,190.50
6. Step 6: Final answer
   x = 249,259.22