Finding the Third Proportional to 142,418 and 303,244

Step by Step Solution

1. Step 1: Write the proportion equation
   142,418 : 303,244 = 303,244 : x
2. Step 2: Convert to fraction form
   142,418/303,244 = 303,244/x
3. Step 3: Cross multiply
   142,418x = 303,244 × 303,244
4. Step 4: Simplify right side
   142,418x = 91,956,923,536
5. Step 5: Solve for x
   x = 91,956,923,536/142,418
6. Step 6: Final answer
   x = 645,683.30