Finding the Third Proportional to 151,282 and 200,678

Step by Step Solution

1. Step 1: Write the proportion equation
   151,282 : 200,678 = 200,678 : x
2. Step 2: Convert to fraction form
   151,282/200,678 = 200,678/x
3. Step 3: Cross multiply
   151,282x = 200,678 × 200,678
4. Step 4: Simplify right side
   151,282x = 40,271,659,684
5. Step 5: Solve for x
   x = 40,271,659,684/151,282
6. Step 6: Final answer
   x = 266,202.59