Finding the Third Proportional to 655,078 and 1,388,892

Step by Step Solution

1. Step 1: Write the proportion equation
   655,078 : 1,388,892 = 1,388,892 : x
2. Step 2: Convert to fraction form
   655,078/1,388,892 = 1,388,892/x
3. Step 3: Cross multiply
   655,078x = 1,388,892 × 1,388,892
4. Step 4: Simplify right side
   655,078x = 1,929,020,987,664
5. Step 5: Solve for x
   x = 1,929,020,987,664/655,078
6. Step 6: Final answer
   x = 2,944,719.54