Finding the Third Proportional to 698,640 and 1,082,103

Step by Step Solution

1. Step 1: Write the proportion equation
   698,640 : 1,082,103 = 1,082,103 : x
2. Step 2: Convert to fraction form
   698,640/1,082,103 = 1,082,103/x
3. Step 3: Cross multiply
   698,640x = 1,082,103 × 1,082,103
4. Step 4: Simplify right side
   698,640x = 1,170,946,902,609
5. Step 5: Solve for x
   x = 1,170,946,902,609/698,640
6. Step 6: Final answer
   x = 1,676,037.59