Finding the Third Proportional to 5,768.91 and 12,421.88

Step by Step Solution

1. Step 1: Write the proportion equation
   5,768.91 : 12,421.88 = 12,421.88 : x
2. Step 2: Convert to fraction form
   5,768.91/12,421.88 = 12,421.88/x
3. Step 3: Cross multiply
   5,768.91x = 12,421.88 × 12,421.88
4. Step 4: Simplify right side
   5,768.91x = 154,302,978.52
5. Step 5: Solve for x
   x = 154,302,978.52/5,768.91
6. Step 6: Final answer
   x = 26,747.35