Finding the Third Proportional to 683,738 and 1,061,445

Step by Step Solution

1. Step 1: Write the proportion equation
   683,738 : 1,061,445 = 1,061,445 : x
2. Step 2: Convert to fraction form
   683,738/1,061,445 = 1,061,445/x
3. Step 3: Cross multiply
   683,738x = 1,061,445 × 1,061,445
4. Step 4: Simplify right side
   683,738x = 1,126,665,488,025
5. Step 5: Solve for x
   x = 1,126,665,488,025/683,738
6. Step 6: Final answer
   x = 1,647,802.94