Finding the Third Proportional to 1,397,818 and 3,057,348

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397,818 : 3,057,348 = 3,057,348 : x
2. Step 2: Convert to fraction form
   1,397,818/3,057,348 = 3,057,348/x
3. Step 3: Cross multiply
   1,397,818x = 3,057,348 × 3,057,348
4. Step 4: Simplify right side
   1,397,818x = 9,347,376,793,104
5. Step 5: Solve for x
   x = 9,347,376,793,104/1,397,818
6. Step 6: Final answer
   x = 6,687,120.06