Finding the Third Proportional to 73,731 and 173,322

Step by Step Solution

1. Step 1: Write the proportion equation
   73,731 : 173,322 = 173,322 : x
2. Step 2: Convert to fraction form
   73,731/173,322 = 173,322/x
3. Step 3: Cross multiply
   73,731x = 173,322 × 173,322
4. Step 4: Simplify right side
   73,731x = 30,040,515,684
5. Step 5: Solve for x
   x = 30,040,515,684/73,731
6. Step 6: Final answer
   x = 407,433.99