Finding the Third Proportional to 806,880 and 1,755,690

Step by Step Solution

1. Step 1: Write the proportion equation
   806,880 : 1,755,690 = 1,755,690 : x
2. Step 2: Convert to fraction form
   806,880/1,755,690 = 1,755,690/x
3. Step 3: Cross multiply
   806,880x = 1,755,690 × 1,755,690
4. Step 4: Simplify right side
   806,880x = 3,082,447,376,100
5. Step 5: Solve for x
   x = 3,082,447,376,100/806,880
6. Step 6: Final answer
   x = 3,820,205.45