Finding the Third Proportional to 789,858 and 1,191,759

Step by Step Solution

1. Step 1: Write the proportion equation
   789,858 : 1,191,759 = 1,191,759 : x
2. Step 2: Convert to fraction form
   789,858/1,191,759 = 1,191,759/x
3. Step 3: Cross multiply
   789,858x = 1,191,759 × 1,191,759
4. Step 4: Simplify right side
   789,858x = 1,420,289,514,081
5. Step 5: Solve for x
   x = 1,420,289,514,081/789,858
6. Step 6: Final answer
   x = 1,798,158.04