Finding the Third Proportional to 828,297 and 1,806,538

Step by Step Solution

1. Step 1: Write the proportion equation
   828,297 : 1,806,538 = 1,806,538 : x
2. Step 2: Convert to fraction form
   828,297/1,806,538 = 1,806,538/x
3. Step 3: Cross multiply
   828,297x = 1,806,538 × 1,806,538
4. Step 4: Simplify right side
   828,297x = 3,263,579,545,444
5. Step 5: Solve for x
   x = 3,263,579,545,444/828,297
6. Step 6: Final answer
   x = 3,940,107.89