Finding the Third Proportional to 121,279.50 and 180,734

Step by Step Solution

1. Step 1: Write the proportion equation
   121,279.50 : 180,734 = 180,734 : x
2. Step 2: Convert to fraction form
   121,279.50/180,734 = 180,734/x
3. Step 3: Cross multiply
   121,279.50x = 180,734 × 180,734
4. Step 4: Simplify right side
   121,279.50x = 32,664,778,756
5. Step 5: Solve for x
   x = 32,664,778,756/121,279.50
6. Step 6: Final answer
   x = 269,334.71