Finding the Third Proportional to 170,719.50 and 245,910

Step by Step Solution

1. Step 1: Write the proportion equation
   170,719.50 : 245,910 = 245,910 : x
2. Step 2: Convert to fraction form
   170,719.50/245,910 = 245,910/x
3. Step 3: Cross multiply
   170,719.50x = 245,910 × 245,910
4. Step 4: Simplify right side
   170,719.50x = 60,471,728,100
5. Step 5: Solve for x
   x = 60,471,728,100/170,719.50
6. Step 6: Final answer
   x = 354,216.88