Finding the Third Proportional to 73,697 and 173,238

Step by Step Solution

1. Step 1: Write the proportion equation
   73,697 : 173,238 = 173,238 : x
2. Step 2: Convert to fraction form
   73,697/173,238 = 173,238/x
3. Step 3: Cross multiply
   73,697x = 173,238 × 173,238
4. Step 4: Simplify right side
   73,697x = 30,011,404,644
5. Step 5: Solve for x
   x = 30,011,404,644/73,697
6. Step 6: Final answer
   x = 407,226.95