Finding the Third Proportional to 164,116.69 and 356,243.06

Step by Step Solution

1. Step 1: Write the proportion equation
   164,116.69 : 356,243.06 = 356,243.06 : x
2. Step 2: Convert to fraction form
   164,116.69/356,243.06 = 356,243.06/x
3. Step 3: Cross multiply
   164,116.69x = 356,243.06 × 356,243.06
4. Step 4: Simplify right side
   164,116.69x = 126,909,119,579.38
5. Step 5: Solve for x
   x = 126,909,119,579.38/164,116.69
6. Step 6: Final answer
   x = 773,285.90