Finding the Third Proportional to 54,408 and 77,016

Step by Step Solution

1. Step 1: Write the proportion equation
   54,408 : 77,016 = 77,016 : x
2. Step 2: Convert to fraction form
   54,408/77,016 = 77,016/x
3. Step 3: Cross multiply
   54,408x = 77,016 × 77,016
4. Step 4: Simplify right side
   54,408x = 5,931,464,256
5. Step 5: Solve for x
   x = 5,931,464,256/54,408
6. Step 6: Final answer
   x = 109,018.24