Finding the Third Proportional to 161,764.50 and 351,474

Step by Step Solution

1. Step 1: Write the proportion equation
   161,764.50 : 351,474 = 351,474 : x
2. Step 2: Convert to fraction form
   161,764.50/351,474 = 351,474/x
3. Step 3: Cross multiply
   161,764.50x = 351,474 × 351,474
4. Step 4: Simplify right side
   161,764.50x = 123,533,972,676
5. Step 5: Solve for x
   x = 123,533,972,676/161,764.50
6. Step 6: Final answer
   x = 763,665.53