Finding the Third Proportional to 108,851 and 168,131

Step by Step Solution

1. Step 1: Write the proportion equation
   108,851 : 168,131 = 168,131 : x
2. Step 2: Convert to fraction form
   108,851/168,131 = 168,131/x
3. Step 3: Cross multiply
   108,851x = 168,131 × 168,131
4. Step 4: Simplify right side
   108,851x = 28,268,033,161
5. Step 5: Solve for x
   x = 28,268,033,161/108,851
6. Step 6: Final answer
   x = 259,694.75