Finding the Third Proportional to 1,085,778 and 1,690,713

Step by Step Solution

1. Step 1: Write the proportion equation
   1,085,778 : 1,690,713 = 1,690,713 : x
2. Step 2: Convert to fraction form
   1,085,778/1,690,713 = 1,690,713/x
3. Step 3: Cross multiply
   1,085,778x = 1,690,713 × 1,690,713
4. Step 4: Simplify right side
   1,085,778x = 2,858,510,448,369
5. Step 5: Solve for x
   x = 2,858,510,448,369/1,085,778
6. Step 6: Final answer
   x = 2,632,684.07