Finding the Third Proportional to 5,448 and 12,319.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,448 : 12,319.50 = 12,319.50 : x
2. Step 2: Convert to fraction form
   5,448/12,319.50 = 12,319.50/x
3. Step 3: Cross multiply
   5,448x = 12,319.50 × 12,319.50
4. Step 4: Simplify right side
   5,448x = 151,770,080.25
5. Step 5: Solve for x
   x = 151,770,080.25/5,448
6. Step 6: Final answer
   x = 27,857.94