Finding the Third Proportional to 40,745 and 54,084

Step by Step Solution

1. Step 1: Write the proportion equation
   40,745 : 54,084 = 54,084 : x
2. Step 2: Convert to fraction form
   40,745/54,084 = 54,084/x
3. Step 3: Cross multiply
   40,745x = 54,084 × 54,084
4. Step 4: Simplify right side
   40,745x = 2,925,079,056
5. Step 5: Solve for x
   x = 2,925,079,056/40,745
6. Step 6: Final answer
   x = 71,789.89