Finding the Third Proportional to 166,212 and 356,076

Step by Step Solution

1. Step 1: Write the proportion equation
   166,212 : 356,076 = 356,076 : x
2. Step 2: Convert to fraction form
   166,212/356,076 = 356,076/x
3. Step 3: Cross multiply
   166,212x = 356,076 × 356,076
4. Step 4: Simplify right side
   166,212x = 126,790,117,776
5. Step 5: Solve for x
   x = 126,790,117,776/166,212
6. Step 6: Final answer
   x = 762,821.68