Finding the Third Proportional to 36,868 and 79,978

Step by Step Solution

1. Step 1: Write the proportion equation
   36,868 : 79,978 = 79,978 : x
2. Step 2: Convert to fraction form
   36,868/79,978 = 79,978/x
3. Step 3: Cross multiply
   36,868x = 79,978 × 79,978
4. Step 4: Simplify right side
   36,868x = 6,396,480,484
5. Step 5: Solve for x
   x = 6,396,480,484/36,868
6. Step 6: Final answer
   x = 173,496.81