Finding the Third Proportional to 776,798 and 1,661,538

Step by Step Solution

1. Step 1: Write the proportion equation
   776,798 : 1,661,538 = 1,661,538 : x
2. Step 2: Convert to fraction form
   776,798/1,661,538 = 1,661,538/x
3. Step 3: Cross multiply
   776,798x = 1,661,538 × 1,661,538
4. Step 4: Simplify right side
   776,798x = 2,760,708,525,444
5. Step 5: Solve for x
   x = 2,760,708,525,444/776,798
6. Step 6: Final answer
   x = 3,553,959.36