Finding the Third Proportional to 111,915 and 168,952.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,915 : 168,952.50 = 168,952.50 : x
2. Step 2: Convert to fraction form
   111,915/168,952.50 = 168,952.50/x
3. Step 3: Cross multiply
   111,915x = 168,952.50 × 168,952.50
4. Step 4: Simplify right side
   111,915x = 28,544,947,256.25
5. Step 5: Solve for x
   x = 28,544,947,256.25/111,915
6. Step 6: Final answer
   x = 255,059.17