Finding the Third Proportional to 683,723 and 1,061,427

Step by Step Solution

1. Step 1: Write the proportion equation
   683,723 : 1,061,427 = 1,061,427 : x
2. Step 2: Convert to fraction form
   683,723/1,061,427 = 1,061,427/x
3. Step 3: Cross multiply
   683,723x = 1,061,427 × 1,061,427
4. Step 4: Simplify right side
   683,723x = 1,126,627,276,329
5. Step 5: Solve for x
   x = 1,126,627,276,329/683,723
6. Step 6: Final answer
   x = 1,647,783.21