Finding the Third Proportional to 206,616 and 302,845.50

Step by Step Solution

1. Step 1: Write the proportion equation
   206,616 : 302,845.50 = 302,845.50 : x
2. Step 2: Convert to fraction form
   206,616/302,845.50 = 302,845.50/x
3. Step 3: Cross multiply
   206,616x = 302,845.50 × 302,845.50
4. Step 4: Simplify right side
   206,616x = 91,715,396,870.25
5. Step 5: Solve for x
   x = 91,715,396,870.25/206,616
6. Step 6: Final answer
   x = 443,893.00