Finding the Third Proportional to 132,183 and 212,785.50

Step by Step Solution

1. Step 1: Write the proportion equation
   132,183 : 212,785.50 = 212,785.50 : x
2. Step 2: Convert to fraction form
   132,183/212,785.50 = 212,785.50/x
3. Step 3: Cross multiply
   132,183x = 212,785.50 × 212,785.50
4. Step 4: Simplify right side
   132,183x = 45,277,669,010.25
5. Step 5: Solve for x
   x = 45,277,669,010.25/132,183
6. Step 6: Final answer
   x = 342,537.76