Finding the Third Proportional to 142,106 and 303,906

Step by Step Solution

1. Step 1: Write the proportion equation
   142,106 : 303,906 = 303,906 : x
2. Step 2: Convert to fraction form
   142,106/303,906 = 303,906/x
3. Step 3: Cross multiply
   142,106x = 303,906 × 303,906
4. Step 4: Simplify right side
   142,106x = 92,358,856,836
5. Step 5: Solve for x
   x = 92,358,856,836/142,106
6. Step 6: Final answer
   x = 649,929.33