Finding the Third Proportional to 166,282 and 359,188

Step by Step Solution

1. Step 1: Write the proportion equation
   166,282 : 359,188 = 359,188 : x
2. Step 2: Convert to fraction form
   166,282/359,188 = 359,188/x
3. Step 3: Cross multiply
   166,282x = 359,188 × 359,188
4. Step 4: Simplify right side
   166,282x = 129,016,019,344
5. Step 5: Solve for x
   x = 129,016,019,344/166,282
6. Step 6: Final answer
   x = 775,886.86