Finding the Third Proportional to 578,498 and 1,245,898

Step by Step Solution

1. Step 1: Write the proportion equation
   578,498 : 1,245,898 = 1,245,898 : x
2. Step 2: Convert to fraction form
   578,498/1,245,898 = 1,245,898/x
3. Step 3: Cross multiply
   578,498x = 1,245,898 × 1,245,898
4. Step 4: Simplify right side
   578,498x = 1,552,261,826,404
5. Step 5: Solve for x
   x = 1,552,261,826,404/578,498
6. Step 6: Final answer
   x = 2,683,262.22