Finding the Third Proportional to 210,828 and 326,095.50

Step by Step Solution

1. Step 1: Write the proportion equation
   210,828 : 326,095.50 = 326,095.50 : x
2. Step 2: Convert to fraction form
   210,828/326,095.50 = 326,095.50/x
3. Step 3: Cross multiply
   210,828x = 326,095.50 × 326,095.50
4. Step 4: Simplify right side
   210,828x = 106,338,275,120.25
5. Step 5: Solve for x
   x = 106,338,275,120.25/210,828
6. Step 6: Final answer
   x = 504,384.02