Finding the Third Proportional to 108,760 and 168,100

Step by Step Solution

1. Step 1: Write the proportion equation
   108,760 : 168,100 = 168,100 : x
2. Step 2: Convert to fraction form
   108,760/168,100 = 168,100/x
3. Step 3: Cross multiply
   108,760x = 168,100 × 168,100
4. Step 4: Simplify right side
   108,760x = 28,257,610,000
5. Step 5: Solve for x
   x = 28,257,610,000/108,760
6. Step 6: Final answer
   x = 259,816.20