Finding the Third Proportional to 108,858 and 168,141

Step by Step Solution

1. Step 1: Write the proportion equation
   108,858 : 168,141 = 168,141 : x
2. Step 2: Convert to fraction form
   108,858/168,141 = 168,141/x
3. Step 3: Cross multiply
   108,858x = 168,141 × 168,141
4. Step 4: Simplify right side
   108,858x = 28,271,395,881
5. Step 5: Solve for x
   x = 28,271,395,881/108,858
6. Step 6: Final answer
   x = 259,708.94