Finding the Third Proportional to 142,680 and 337,425

Step by Step Solution

1. Step 1: Write the proportion equation
   142,680 : 337,425 = 337,425 : x
2. Step 2: Convert to fraction form
   142,680/337,425 = 337,425/x
3. Step 3: Cross multiply
   142,680x = 337,425 × 337,425
4. Step 4: Simplify right side
   142,680x = 113,855,630,625
5. Step 5: Solve for x
   x = 113,855,630,625/142,680
6. Step 6: Final answer
   x = 797,978.91