Finding the Third Proportional to 142,793.82 and 313,608.59

Step by Step Solution

1. Step 1: Write the proportion equation
   142,793.82 : 313,608.59 = 313,608.59 : x
2. Step 2: Convert to fraction form
   142,793.82/313,608.59 = 313,608.59/x
3. Step 3: Cross multiply
   142,793.82x = 313,608.59 × 313,608.59
4. Step 4: Simplify right side
   142,793.82x = 98,350,345,173.72
5. Step 5: Solve for x
   x = 98,350,345,173.72/142,793.82
6. Step 6: Final answer
   x = 688,757.69