Finding the Third Proportional to 1,227,764 and 2,678,538

Step by Step Solution

1. Step 1: Write the proportion equation
   1,227,764 : 2,678,538 = 2,678,538 : x
2. Step 2: Convert to fraction form
   1,227,764/2,678,538 = 2,678,538/x
3. Step 3: Cross multiply
   1,227,764x = 2,678,538 × 2,678,538
4. Step 4: Simplify right side
   1,227,764x = 7,174,565,817,444
5. Step 5: Solve for x
   x = 7,174,565,817,444/1,227,764
6. Step 6: Final answer
   x = 5,843,603.35