Finding the Third Proportional to 36,221.81 and 55,408.69

Step by Step Solution

1. Step 1: Write the proportion equation
   36,221.81 : 55,408.69 = 55,408.69 : x
2. Step 2: Convert to fraction form
   36,221.81/55,408.69 = 55,408.69/x
3. Step 3: Cross multiply
   36,221.81x = 55,408.69 × 55,408.69
4. Step 4: Simplify right side
   36,221.81x = 3,070,122,650.47
5. Step 5: Solve for x
   x = 3,070,122,650.47/36,221.81
6. Step 6: Final answer
   x = 84,758.95