Finding the Third Proportional to 39,648 and 54,003

Step by Step Solution

1. Step 1: Write the proportion equation
   39,648 : 54,003 = 54,003 : x
2. Step 2: Convert to fraction form
   39,648/54,003 = 54,003/x
3. Step 3: Cross multiply
   39,648x = 54,003 × 54,003
4. Step 4: Simplify right side
   39,648x = 2,916,324,009
5. Step 5: Solve for x
   x = 2,916,324,009/39,648
6. Step 6: Final answer
   x = 73,555.39