Finding the Third Proportional to 40,584.94 and 55,288.41

Step by Step Solution

1. Step 1: Write the proportion equation
   40,584.94 : 55,288.41 = 55,288.41 : x
2. Step 2: Convert to fraction form
   40,584.94/55,288.41 = 55,288.41/x
3. Step 3: Cross multiply
   40,584.94x = 55,288.41 × 55,288.41
4. Step 4: Simplify right side
   40,584.94x = 3,056,807,865.67
5. Step 5: Solve for x
   x = 3,056,807,865.67/40,584.94
6. Step 6: Final answer
   x = 75,318.78