Finding the Third Proportional to 166,618 and 362,818

Step by Step Solution

1. Step 1: Write the proportion equation
   166,618 : 362,818 = 362,818 : x
2. Step 2: Convert to fraction form
   166,618/362,818 = 362,818/x
3. Step 3: Cross multiply
   166,618x = 362,818 × 362,818
4. Step 4: Simplify right side
   166,618x = 131,636,901,124
5. Step 5: Solve for x
   x = 131,636,901,124/166,618
6. Step 6: Final answer
   x = 790,052.10