Finding the Third Proportional to 139,384 and 303,104

Step by Step Solution

1. Step 1: Write the proportion equation
   139,384 : 303,104 = 303,104 : x
2. Step 2: Convert to fraction form
   139,384/303,104 = 303,104/x
3. Step 3: Cross multiply
   139,384x = 303,104 × 303,104
4. Step 4: Simplify right side
   139,384x = 91,872,034,816
5. Step 5: Solve for x
   x = 91,872,034,816/139,384
6. Step 6: Final answer
   x = 659,128.99