Finding the Third Proportional to 683,655 and 1,061,320.50

Step by Step Solution

1. Step 1: Write the proportion equation
   683,655 : 1,061,320.50 = 1,061,320.50 : x
2. Step 2: Convert to fraction form
   683,655/1,061,320.50 = 1,061,320.50/x
3. Step 3: Cross multiply
   683,655x = 1,061,320.50 × 1,061,320.50
4. Step 4: Simplify right side
   683,655x = 1,126,401,203,720.25
5. Step 5: Solve for x
   x = 1,126,401,203,720.25/683,655
6. Step 6: Final answer
   x = 1,647,616.42