Finding the Third Proportional to 35,042 and 54,408.75

Step by Step Solution

1. Step 1: Write the proportion equation
   35,042 : 54,408.75 = 54,408.75 : x
2. Step 2: Convert to fraction form
   35,042/54,408.75 = 54,408.75/x
3. Step 3: Cross multiply
   35,042x = 54,408.75 × 54,408.75
4. Step 4: Simplify right side
   35,042x = 2,960,312,076.56
5. Step 5: Solve for x
   x = 2,960,312,076.56/35,042
6. Step 6: Final answer
   x = 84,478.97