Finding the Third Proportional to 40,886 and 54,947

Step by Step Solution

1. Step 1: Write the proportion equation
   40,886 : 54,947 = 54,947 : x
2. Step 2: Convert to fraction form
   40,886/54,947 = 54,947/x
3. Step 3: Cross multiply
   40,886x = 54,947 × 54,947
4. Step 4: Simplify right side
   40,886x = 3,019,172,809
5. Step 5: Solve for x
   x = 3,019,172,809/40,886
6. Step 6: Final answer
   x = 73,843.68