Finding the Third Proportional to 40,929.75 and 57,638.25

Step by Step Solution

1. Step 1: Write the proportion equation
   40,929.75 : 57,638.25 = 57,638.25 : x
2. Step 2: Convert to fraction form
   40,929.75/57,638.25 = 57,638.25/x
3. Step 3: Cross multiply
   40,929.75x = 57,638.25 × 57,638.25
4. Step 4: Simplify right side
   40,929.75x = 3,322,167,863.06
5. Step 5: Solve for x
   x = 3,322,167,863.06/40,929.75
6. Step 6: Final answer
   x = 81,167.56