Finding the Third Proportional to 39,964 and 60,678

Step by Step Solution

1. Step 1: Write the proportion equation
   39,964 : 60,678 = 60,678 : x
2. Step 2: Convert to fraction form
   39,964/60,678 = 60,678/x
3. Step 3: Cross multiply
   39,964x = 60,678 × 60,678
4. Step 4: Simplify right side
   39,964x = 3,681,819,684
5. Step 5: Solve for x
   x = 3,681,819,684/39,964
6. Step 6: Final answer
   x = 92,128.41