Finding the Third Proportional to 806,821 and 1,755,589

Step by Step Solution

1. Step 1: Write the proportion equation
   806,821 : 1,755,589 = 1,755,589 : x
2. Step 2: Convert to fraction form
   806,821/1,755,589 = 1,755,589/x
3. Step 3: Cross multiply
   806,821x = 1,755,589 × 1,755,589
4. Step 4: Simplify right side
   806,821x = 3,082,092,736,921
5. Step 5: Solve for x
   x = 3,082,092,736,921/806,821
6. Step 6: Final answer
   x = 3,820,045.26