Finding the Third Proportional to 589,844 and 1,290,078

Step by Step Solution

1. Step 1: Write the proportion equation
   589,844 : 1,290,078 = 1,290,078 : x
2. Step 2: Convert to fraction form
   589,844/1,290,078 = 1,290,078/x
3. Step 3: Cross multiply
   589,844x = 1,290,078 × 1,290,078
4. Step 4: Simplify right side
   589,844x = 1,664,301,246,084
5. Step 5: Solve for x
   x = 1,664,301,246,084/589,844
6. Step 6: Final answer
   x = 2,821,595.62