Finding the Third Proportional to 682,144 and 1,059,179

Step by Step Solution

1. Step 1: Write the proportion equation
   682,144 : 1,059,179 = 1,059,179 : x
2. Step 2: Convert to fraction form
   682,144/1,059,179 = 1,059,179/x
3. Step 3: Cross multiply
   682,144x = 1,059,179 × 1,059,179
4. Step 4: Simplify right side
   682,144x = 1,121,860,154,041
5. Step 5: Solve for x
   x = 1,121,860,154,041/682,144
6. Step 6: Final answer
   x = 1,644,608.99