Finding the Third Proportional to 122,467 and 173,338.50

Step by Step Solution

1. Step 1: Write the proportion equation
   122,467 : 173,338.50 = 173,338.50 : x
2. Step 2: Convert to fraction form
   122,467/173,338.50 = 173,338.50/x
3. Step 3: Cross multiply
   122,467x = 173,338.50 × 173,338.50
4. Step 4: Simplify right side
   122,467x = 30,046,235,582.25
5. Step 5: Solve for x
   x = 30,046,235,582.25/122,467
6. Step 6: Final answer
   x = 245,341.48