Finding the Third Proportional to 698,240 and 1,067,660

Step by Step Solution

1. Step 1: Write the proportion equation
   698,240 : 1,067,660 = 1,067,660 : x
2. Step 2: Convert to fraction form
   698,240/1,067,660 = 1,067,660/x
3. Step 3: Cross multiply
   698,240x = 1,067,660 × 1,067,660
4. Step 4: Simplify right side
   698,240x = 1,139,897,875,600
5. Step 5: Solve for x
   x = 1,139,897,875,600/698,240
6. Step 6: Final answer
   x = 1,632,530.18