Finding the Third Proportional to 137,005 and 300,200

Step by Step Solution

1. Step 1: Write the proportion equation
   137,005 : 300,200 = 300,200 : x
2. Step 2: Convert to fraction form
   137,005/300,200 = 300,200/x
3. Step 3: Cross multiply
   137,005x = 300,200 × 300,200
4. Step 4: Simplify right side
   137,005x = 90,120,040,000
5. Step 5: Solve for x
   x = 90,120,040,000/137,005
6. Step 6: Final answer
   x = 657,786.50