Finding the Third Proportional to 166,816 and 245,800

Step by Step Solution

1. Step 1: Write the proportion equation
   166,816 : 245,800 = 245,800 : x
2. Step 2: Convert to fraction form
   166,816/245,800 = 245,800/x
3. Step 3: Cross multiply
   166,816x = 245,800 × 245,800
4. Step 4: Simplify right side
   166,816x = 60,417,640,000
5. Step 5: Solve for x
   x = 60,417,640,000/166,816
6. Step 6: Final answer
   x = 362,181.33