Finding the Third Proportional to 683,669 and 1,061,342

Step by Step Solution

1. Step 1: Write the proportion equation
   683,669 : 1,061,342 = 1,061,342 : x
2. Step 2: Convert to fraction form
   683,669/1,061,342 = 1,061,342/x
3. Step 3: Cross multiply
   683,669x = 1,061,342 × 1,061,342
4. Step 4: Simplify right side
   683,669x = 1,126,446,840,964
5. Step 5: Solve for x
   x = 1,126,446,840,964/683,669
6. Step 6: Final answer
   x = 1,647,649.43