Finding the Third Proportional to 39,678 and 59,922

Step by Step Solution

1. Step 1: Write the proportion equation
   39,678 : 59,922 = 59,922 : x
2. Step 2: Convert to fraction form
   39,678/59,922 = 59,922/x
3. Step 3: Cross multiply
   39,678x = 59,922 × 59,922
4. Step 4: Simplify right side
   39,678x = 3,590,646,084
5. Step 5: Solve for x
   x = 3,590,646,084/39,678
6. Step 6: Final answer
   x = 90,494.63