Finding the Third Proportional to 142,884 and 304,747.31

Step by Step Solution

1. Step 1: Write the proportion equation
   142,884 : 304,747.31 = 304,747.31 : x
2. Step 2: Convert to fraction form
   142,884/304,747.31 = 304,747.31/x
3. Step 3: Cross multiply
   142,884x = 304,747.31 × 304,747.31
4. Step 4: Simplify right side
   142,884x = 92,870,924,475.97
5. Step 5: Solve for x
   x = 92,870,924,475.97/142,884
6. Step 6: Final answer
   x = 649,974.28