Finding the Third Proportional to 776,538 and 1,590,718

Step by Step Solution

1. Step 1: Write the proportion equation
   776,538 : 1,590,718 = 1,590,718 : x
2. Step 2: Convert to fraction form
   776,538/1,590,718 = 1,590,718/x
3. Step 3: Cross multiply
   776,538x = 1,590,718 × 1,590,718
4. Step 4: Simplify right side
   776,538x = 2,530,383,755,524
5. Step 5: Solve for x
   x = 2,530,383,755,524/776,538
6. Step 6: Final answer
   x = 3,258,544.66