Finding the Third Proportional to 40,878 and 54,934

Step by Step Solution

1. Step 1: Write the proportion equation
   40,878 : 54,934 = 54,934 : x
2. Step 2: Convert to fraction form
   40,878/54,934 = 54,934/x
3. Step 3: Cross multiply
   40,878x = 54,934 × 54,934
4. Step 4: Simplify right side
   40,878x = 3,017,744,356
5. Step 5: Solve for x
   x = 3,017,744,356/40,878
6. Step 6: Final answer
   x = 73,823.19