Finding the Third Proportional to 146,220 and 303,928.50

Step by Step Solution

1. Step 1: Write the proportion equation
   146,220 : 303,928.50 = 303,928.50 : x
2. Step 2: Convert to fraction form
   146,220/303,928.50 = 303,928.50/x
3. Step 3: Cross multiply
   146,220x = 303,928.50 × 303,928.50
4. Step 4: Simplify right side
   146,220x = 92,372,533,112.25
5. Step 5: Solve for x
   x = 92,372,533,112.25/146,220
6. Step 6: Final answer
   x = 631,736.65