Finding the Third Proportional to 142,956 and 304,911

Step by Step Solution

1. Step 1: Write the proportion equation
   142,956 : 304,911 = 304,911 : x
2. Step 2: Convert to fraction form
   142,956/304,911 = 304,911/x
3. Step 3: Cross multiply
   142,956x = 304,911 × 304,911
4. Step 4: Simplify right side
   142,956x = 92,970,717,921
5. Step 5: Solve for x
   x = 92,970,717,921/142,956
6. Step 6: Final answer
   x = 650,344.99