Finding the Third Proportional to 76,530 and 162,150

Step by Step Solution

1. Step 1: Write the proportion equation
   76,530 : 162,150 = 162,150 : x
2. Step 2: Convert to fraction form
   76,530/162,150 = 162,150/x
3. Step 3: Cross multiply
   76,530x = 162,150 × 162,150
4. Step 4: Simplify right side
   76,530x = 26,292,622,500
5. Step 5: Solve for x
   x = 26,292,622,500/76,530
6. Step 6: Final answer
   x = 343,559.68