Finding the Third Proportional to 620,898 and 1,323,204

Step by Step Solution

1. Step 1: Write the proportion equation
   620,898 : 1,323,204 = 1,323,204 : x
2. Step 2: Convert to fraction form
   620,898/1,323,204 = 1,323,204/x
3. Step 3: Cross multiply
   620,898x = 1,323,204 × 1,323,204
4. Step 4: Simplify right side
   620,898x = 1,750,868,825,616
5. Step 5: Solve for x
   x = 1,750,868,825,616/620,898
6. Step 6: Final answer
   x = 2,819,897.67