Finding the Third Proportional to 303,546 and 660,640.50

Step by Step Solution

1. Step 1: Write the proportion equation
   303,546 : 660,640.50 = 660,640.50 : x
2. Step 2: Convert to fraction form
   303,546/660,640.50 = 660,640.50/x
3. Step 3: Cross multiply
   303,546x = 660,640.50 × 660,640.50
4. Step 4: Simplify right side
   303,546x = 436,445,870,240.25
5. Step 5: Solve for x
   x = 436,445,870,240.25/303,546
6. Step 6: Final answer
   x = 1,437,824.48