Finding the Third Proportional to 95,211 and 206,806.50

Step by Step Solution

1. Step 1: Write the proportion equation
   95,211 : 206,806.50 = 206,806.50 : x
2. Step 2: Convert to fraction form
   95,211/206,806.50 = 206,806.50/x
3. Step 3: Cross multiply
   95,211x = 206,806.50 × 206,806.50
4. Step 4: Simplify right side
   95,211x = 42,768,928,442.25
5. Step 5: Solve for x
   x = 42,768,928,442.25/95,211
6. Step 6: Final answer
   x = 449,201.55