Finding the Third Proportional to 111,132 and 166,711.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,132 : 166,711.50 = 166,711.50 : x
2. Step 2: Convert to fraction form
   111,132/166,711.50 = 166,711.50/x
3. Step 3: Cross multiply
   111,132x = 166,711.50 × 166,711.50
4. Step 4: Simplify right side
   111,132x = 27,792,724,232.25
5. Step 5: Solve for x
   x = 27,792,724,232.25/111,132
6. Step 6: Final answer
   x = 250,087.50