Finding the Third Proportional to 683,636 and 1,061,284

Step by Step Solution

1. Step 1: Write the proportion equation
   683,636 : 1,061,284 = 1,061,284 : x
2. Step 2: Convert to fraction form
   683,636/1,061,284 = 1,061,284/x
3. Step 3: Cross multiply
   683,636x = 1,061,284 × 1,061,284
4. Step 4: Simplify right side
   683,636x = 1,126,323,728,656
5. Step 5: Solve for x
   x = 1,126,323,728,656/683,636
6. Step 6: Final answer
   x = 1,647,548.88