Finding the Third Proportional to 1,242,087 and 1,757,910

Step by Step Solution

1. Step 1: Write the proportion equation
   1,242,087 : 1,757,910 = 1,757,910 : x
2. Step 2: Convert to fraction form
   1,242,087/1,757,910 = 1,757,910/x
3. Step 3: Cross multiply
   1,242,087x = 1,757,910 × 1,757,910
4. Step 4: Simplify right side
   1,242,087x = 3,090,247,568,100
5. Step 5: Solve for x
   x = 3,090,247,568,100/1,242,087
6. Step 6: Final answer
   x = 2,487,947.76