Finding the Third Proportional to 16,478 and 36,078

Step by Step Solution

1. Step 1: Write the proportion equation
   16,478 : 36,078 = 36,078 : x
2. Step 2: Convert to fraction form
   16,478/36,078 = 36,078/x
3. Step 3: Cross multiply
   16,478x = 36,078 × 36,078
4. Step 4: Simplify right side
   16,478x = 1,301,622,084
5. Step 5: Solve for x
   x = 1,301,622,084/16,478
6. Step 6: Final answer
   x = 78,991.51