Finding the Third Proportional to 616,178 and 1,323,418

Step by Step Solution

1. Step 1: Write the proportion equation
   616,178 : 1,323,418 = 1,323,418 : x
2. Step 2: Convert to fraction form
   616,178/1,323,418 = 1,323,418/x
3. Step 3: Cross multiply
   616,178x = 1,323,418 × 1,323,418
4. Step 4: Simplify right side
   616,178x = 1,751,435,202,724
5. Step 5: Solve for x
   x = 1,751,435,202,724/616,178
6. Step 6: Final answer
   x = 2,842,417.62