Finding the Third Proportional to 36,872.72 and 55,288.83

Step by Step Solution

1. Step 1: Write the proportion equation
   36,872.72 : 55,288.83 = 55,288.83 : x
2. Step 2: Convert to fraction form
   36,872.72/55,288.83 = 55,288.83/x
3. Step 3: Cross multiply
   36,872.72x = 55,288.83 × 55,288.83
4. Step 4: Simplify right side
   36,872.72x = 3,056,854,515.44
5. Step 5: Solve for x
   x = 3,056,854,515.44/36,872.72
6. Step 6: Final answer
   x = 82,902.88