Finding the Third Proportional to 206,622 and 302,854.50

Step by Step Solution

1. Step 1: Write the proportion equation
   206,622 : 302,854.50 = 302,854.50 : x
2. Step 2: Convert to fraction form
   206,622/302,854.50 = 302,854.50/x
3. Step 3: Cross multiply
   206,622x = 302,854.50 × 302,854.50
4. Step 4: Simplify right side
   206,622x = 91,720,848,170.25
5. Step 5: Solve for x
   x = 91,720,848,170.25/206,622
6. Step 6: Final answer
   x = 443,906.50