Finding the Third Proportional to 111,128 and 166,704

Step by Step Solution

1. Step 1: Write the proportion equation
   111,128 : 166,704 = 166,704 : x
2. Step 2: Convert to fraction form
   111,128/166,704 = 166,704/x
3. Step 3: Cross multiply
   111,128x = 166,704 × 166,704
4. Step 4: Simplify right side
   111,128x = 27,790,223,616
5. Step 5: Solve for x
   x = 27,790,223,616/111,128
6. Step 6: Final answer
   x = 250,074.00