Finding the Third Proportional to 73,701 and 173,242

Step by Step Solution

1. Step 1: Write the proportion equation
   73,701 : 173,242 = 173,242 : x
2. Step 2: Convert to fraction form
   73,701/173,242 = 173,242/x
3. Step 3: Cross multiply
   73,701x = 173,242 × 173,242
4. Step 4: Simplify right side
   73,701x = 30,012,790,564
5. Step 5: Solve for x
   x = 30,012,790,564/73,701
6. Step 6: Final answer
   x = 407,223.65