Finding the Third Proportional to 698,236 and 1,067,664

Step by Step Solution

1. Step 1: Write the proportion equation
   698,236 : 1,067,664 = 1,067,664 : x
2. Step 2: Convert to fraction form
   698,236/1,067,664 = 1,067,664/x
3. Step 3: Cross multiply
   698,236x = 1,067,664 × 1,067,664
4. Step 4: Simplify right side
   698,236x = 1,139,906,416,896
5. Step 5: Solve for x
   x = 1,139,906,416,896/698,236
6. Step 6: Final answer
   x = 1,632,551.77