Finding the Third Proportional to 160,530 and 351,510

Step by Step Solution

1. Step 1: Write the proportion equation
   160,530 : 351,510 = 351,510 : x
2. Step 2: Convert to fraction form
   160,530/351,510 = 351,510/x
3. Step 3: Cross multiply
   160,530x = 351,510 × 351,510
4. Step 4: Simplify right side
   160,530x = 123,559,280,100
5. Step 5: Solve for x
   x = 123,559,280,100/160,530
6. Step 6: Final answer
   x = 769,695.88