Finding the Third Proportional to 807,780 and 1,749,291

Step by Step Solution

1. Step 1: Write the proportion equation
   807,780 : 1,749,291 = 1,749,291 : x
2. Step 2: Convert to fraction form
   807,780/1,749,291 = 1,749,291/x
3. Step 3: Cross multiply
   807,780x = 1,749,291 × 1,749,291
4. Step 4: Simplify right side
   807,780x = 3,060,019,002,681
5. Step 5: Solve for x
   x = 3,060,019,002,681/807,780
6. Step 6: Final answer
   x = 3,788,183.67