Finding the Third Proportional to 67,282 and 143,200

Step by Step Solution

1. Step 1: Write the proportion equation
   67,282 : 143,200 = 143,200 : x
2. Step 2: Convert to fraction form
   67,282/143,200 = 143,200/x
3. Step 3: Cross multiply
   67,282x = 143,200 × 143,200
4. Step 4: Simplify right side
   67,282x = 20,506,240,000
5. Step 5: Solve for x
   x = 20,506,240,000/67,282
6. Step 6: Final answer
   x = 304,780.48