Finding the Third Proportional to 41,078 and 84,100

Step by Step Solution

1. Step 1: Write the proportion equation
   41,078 : 84,100 = 84,100 : x
2. Step 2: Convert to fraction form
   41,078/84,100 = 84,100/x
3. Step 3: Cross multiply
   41,078x = 84,100 × 84,100
4. Step 4: Simplify right side
   41,078x = 7,072,810,000
5. Step 5: Solve for x
   x = 7,072,810,000/41,078
6. Step 6: Final answer
   x = 172,180.00