Finding the Third Proportional to 209,274 and 303,703.50

Step by Step Solution

1. Step 1: Write the proportion equation
   209,274 : 303,703.50 = 303,703.50 : x
2. Step 2: Convert to fraction form
   209,274/303,703.50 = 303,703.50/x
3. Step 3: Cross multiply
   209,274x = 303,703.50 × 303,703.50
4. Step 4: Simplify right side
   209,274x = 92,235,815,912.25
5. Step 5: Solve for x
   x = 92,235,815,912.25/209,274
6. Step 6: Final answer
   x = 440,741.88