Finding the Third Proportional to 698,166 and 1,085,514

Step by Step Solution

1. Step 1: Write the proportion equation
   698,166 : 1,085,514 = 1,085,514 : x
2. Step 2: Convert to fraction form
   698,166/1,085,514 = 1,085,514/x
3. Step 3: Cross multiply
   698,166x = 1,085,514 × 1,085,514
4. Step 4: Simplify right side
   698,166x = 1,178,340,644,196
5. Step 5: Solve for x
   x = 1,178,340,644,196/698,166
6. Step 6: Final answer
   x = 1,687,765.72