Finding the Third Proportional to 137,200 and 300,635

Step by Step Solution

1. Step 1: Write the proportion equation
   137,200 : 300,635 = 300,635 : x
2. Step 2: Convert to fraction form
   137,200/300,635 = 300,635/x
3. Step 3: Cross multiply
   137,200x = 300,635 × 300,635
4. Step 4: Simplify right side
   137,200x = 90,381,403,225
5. Step 5: Solve for x
   x = 90,381,403,225/137,200
6. Step 6: Final answer
   x = 658,756.58