Finding the Third Proportional to 140,500 and 304,812

Step by Step Solution

1. Step 1: Write the proportion equation
   140,500 : 304,812 = 304,812 : x
2. Step 2: Convert to fraction form
   140,500/304,812 = 304,812/x
3. Step 3: Cross multiply
   140,500x = 304,812 × 304,812
4. Step 4: Simplify right side
   140,500x = 92,910,355,344
5. Step 5: Solve for x
   x = 92,910,355,344/140,500
6. Step 6: Final answer
   x = 661,283.67