Finding the Third Proportional to 146,958 and 300,138

Step by Step Solution

1. Step 1: Write the proportion equation
   146,958 : 300,138 = 300,138 : x
2. Step 2: Convert to fraction form
   146,958/300,138 = 300,138/x
3. Step 3: Cross multiply
   146,958x = 300,138 × 300,138
4. Step 4: Simplify right side
   146,958x = 90,082,819,044
5. Step 5: Solve for x
   x = 90,082,819,044/146,958
6. Step 6: Final answer
   x = 612,983.43