Finding the Third Proportional to 1,398,180 and 2,092,278

Step by Step Solution

1. Step 1: Write the proportion equation
   1,398,180 : 2,092,278 = 2,092,278 : x
2. Step 2: Convert to fraction form
   1,398,180/2,092,278 = 2,092,278/x
3. Step 3: Cross multiply
   1,398,180x = 2,092,278 × 2,092,278
4. Step 4: Simplify right side
   1,398,180x = 4,377,627,229,284
5. Step 5: Solve for x
   x = 4,377,627,229,284/1,398,180
6. Step 6: Final answer
   x = 3,130,946.82