Finding the Third Proportional to 80,682 and 174,970

Step by Step Solution

1. Step 1: Write the proportion equation
   80,682 : 174,970 = 174,970 : x
2. Step 2: Convert to fraction form
   80,682/174,970 = 174,970/x
3. Step 3: Cross multiply
   80,682x = 174,970 × 174,970
4. Step 4: Simplify right side
   80,682x = 30,614,500,900
5. Step 5: Solve for x
   x = 30,614,500,900/80,682
6. Step 6: Final answer
   x = 379,446.48