Finding the Third Proportional to 137,284 and 300,812

Step by Step Solution

1. Step 1: Write the proportion equation
   137,284 : 300,812 = 300,812 : x
2. Step 2: Convert to fraction form
   137,284/300,812 = 300,812/x
3. Step 3: Cross multiply
   137,284x = 300,812 × 300,812
4. Step 4: Simplify right side
   137,284x = 90,487,859,344
5. Step 5: Solve for x
   x = 90,487,859,344/137,284
6. Step 6: Final answer
   x = 659,128.95