Finding the Third Proportional to 111,928 and 168,970

Step by Step Solution

1. Step 1: Write the proportion equation
   111,928 : 168,970 = 168,970 : x
2. Step 2: Convert to fraction form
   111,928/168,970 = 168,970/x
3. Step 3: Cross multiply
   111,928x = 168,970 × 168,970
4. Step 4: Simplify right side
   111,928x = 28,550,860,900
5. Step 5: Solve for x
   x = 28,550,860,900/111,928
6. Step 6: Final answer
   x = 255,082.38