Finding the Third Proportional to 1,077,868 and 1,690,854

Step by Step Solution

1. Step 1: Write the proportion equation
   1,077,868 : 1,690,854 = 1,690,854 : x
2. Step 2: Convert to fraction form
   1,077,868/1,690,854 = 1,690,854/x
3. Step 3: Cross multiply
   1,077,868x = 1,690,854 × 1,690,854
4. Step 4: Simplify right side
   1,077,868x = 2,858,987,249,316
5. Step 5: Solve for x
   x = 2,858,987,249,316/1,077,868
6. Step 6: Final answer
   x = 2,652,446.54