Finding the Third Proportional to 166,342 and 361,116

Step by Step Solution

1. Step 1: Write the proportion equation
   166,342 : 361,116 = 361,116 : x
2. Step 2: Convert to fraction form
   166,342/361,116 = 361,116/x
3. Step 3: Cross multiply
   166,342x = 361,116 × 361,116
4. Step 4: Simplify right side
   166,342x = 130,404,765,456
5. Step 5: Solve for x
   x = 130,404,765,456/166,342
6. Step 6: Final answer
   x = 783,955.74