Finding the Third Proportional to 137,273 and 300,790

Step by Step Solution

1. Step 1: Write the proportion equation
   137,273 : 300,790 = 300,790 : x
2. Step 2: Convert to fraction form
   137,273/300,790 = 300,790/x
3. Step 3: Cross multiply
   137,273x = 300,790 × 300,790
4. Step 4: Simplify right side
   137,273x = 90,474,624,100
5. Step 5: Solve for x
   x = 90,474,624,100/137,273
6. Step 6: Final answer
   x = 659,085.36