Finding the Third Proportional to 137,234 and 300,740

Step by Step Solution

1. Step 1: Write the proportion equation
   137,234 : 300,740 = 300,740 : x
2. Step 2: Convert to fraction form
   137,234/300,740 = 300,740/x
3. Step 3: Cross multiply
   137,234x = 300,740 × 300,740
4. Step 4: Simplify right side
   137,234x = 90,444,547,600
5. Step 5: Solve for x
   x = 90,444,547,600/137,234
6. Step 6: Final answer
   x = 659,053.50