Finding the Third Proportional to 45,015.75 and 60,408.28

Step by Step Solution

1. Step 1: Write the proportion equation
   45,015.75 : 60,408.28 = 60,408.28 : x
2. Step 2: Convert to fraction form
   45,015.75/60,408.28 = 60,408.28/x
3. Step 3: Cross multiply
   45,015.75x = 60,408.28 × 60,408.28
4. Step 4: Simplify right side
   45,015.75x = 3,649,160,443.58
5. Step 5: Solve for x
   x = 3,649,160,443.58/45,015.75
6. Step 6: Final answer
   x = 81,064.08