Finding the Third Proportional to 140,984 and 305,200

Step by Step Solution

1. Step 1: Write the proportion equation
   140,984 : 305,200 = 305,200 : x
2. Step 2: Convert to fraction form
   140,984/305,200 = 305,200/x
3. Step 3: Cross multiply
   140,984x = 305,200 × 305,200
4. Step 4: Simplify right side
   140,984x = 93,147,040,000
5. Step 5: Solve for x
   x = 93,147,040,000/140,984
6. Step 6: Final answer
   x = 660,692.28