Finding the Third Proportional to 108,840 and 168,112

Step by Step Solution

1. Step 1: Write the proportion equation
   108,840 : 168,112 = 168,112 : x
2. Step 2: Convert to fraction form
   108,840/168,112 = 168,112/x
3. Step 3: Cross multiply
   108,840x = 168,112 × 168,112
4. Step 4: Simplify right side
   108,840x = 28,261,644,544
5. Step 5: Solve for x
   x = 28,261,644,544/108,840
6. Step 6: Final answer
   x = 259,662.30