Finding the Third Proportional to 184,672.50 and 396,928.50

Step by Step Solution

1. Step 1: Write the proportion equation
   184,672.50 : 396,928.50 = 396,928.50 : x
2. Step 2: Convert to fraction form
   184,672.50/396,928.50 = 396,928.50/x
3. Step 3: Cross multiply
   184,672.50x = 396,928.50 × 396,928.50
4. Step 4: Simplify right side
   184,672.50x = 157,552,234,112.25
5. Step 5: Solve for x
   x = 157,552,234,112.25/184,672.50
6. Step 6: Final answer
   x = 853,143.99