Finding the Third Proportional to 303,703.50 and 445,680

Step by Step Solution

1. Step 1: Write the proportion equation
   303,703.50 : 445,680 = 445,680 : x
2. Step 2: Convert to fraction form
   303,703.50/445,680 = 445,680/x
3. Step 3: Cross multiply
   303,703.50x = 445,680 × 445,680
4. Step 4: Simplify right side
   303,703.50x = 198,630,662,400
5. Step 5: Solve for x
   x = 198,630,662,400/303,703.50
6. Step 6: Final answer
   x = 654,028.23