Finding the Third Proportional to 698,212 and 1,067,608

Step by Step Solution

1. Step 1: Write the proportion equation
   698,212 : 1,067,608 = 1,067,608 : x
2. Step 2: Convert to fraction form
   698,212/1,067,608 = 1,067,608/x
3. Step 3: Cross multiply
   698,212x = 1,067,608 × 1,067,608
4. Step 4: Simplify right side
   698,212x = 1,139,786,841,664
5. Step 5: Solve for x
   x = 1,139,786,841,664/698,212
6. Step 6: Final answer
   x = 1,632,436.63