Finding the Third Proportional to 213,631.50 and 332,112

Step by Step Solution

1. Step 1: Write the proportion equation
   213,631.50 : 332,112 = 332,112 : x
2. Step 2: Convert to fraction form
   213,631.50/332,112 = 332,112/x
3. Step 3: Cross multiply
   213,631.50x = 332,112 × 332,112
4. Step 4: Simplify right side
   213,631.50x = 110,298,380,544
5. Step 5: Solve for x
   x = 110,298,380,544/213,631.50
6. Step 6: Final answer
   x = 516,302.05