Finding the Third Proportional to 300,190.50 and 650,205

Step by Step Solution

1. Step 1: Write the proportion equation
   300,190.50 : 650,205 = 650,205 : x
2. Step 2: Convert to fraction form
   300,190.50/650,205 = 650,205/x
3. Step 3: Cross multiply
   300,190.50x = 650,205 × 650,205
4. Step 4: Simplify right side
   300,190.50x = 422,766,542,025
5. Step 5: Solve for x
   x = 422,766,542,025/300,190.50
6. Step 6: Final answer
   x = 1,408,327.52