Finding the Third Proportional to 303,345 and 660,199.50

Step by Step Solution

1. Step 1: Write the proportion equation
   303,345 : 660,199.50 = 660,199.50 : x
2. Step 2: Convert to fraction form
   303,345/660,199.50 = 660,199.50/x
3. Step 3: Cross multiply
   303,345x = 660,199.50 × 660,199.50
4. Step 4: Simplify right side
   303,345x = 435,863,379,800.25
5. Step 5: Solve for x
   x = 435,863,379,800.25/303,345
6. Step 6: Final answer
   x = 1,436,856.98