Finding the Third Proportional to 1,315,078 and 1,981,304

Step by Step Solution

1. Step 1: Write the proportion equation
   1,315,078 : 1,981,304 = 1,981,304 : x
2. Step 2: Convert to fraction form
   1,315,078/1,981,304 = 1,981,304/x
3. Step 3: Cross multiply
   1,315,078x = 1,981,304 × 1,981,304
4. Step 4: Simplify right side
   1,315,078x = 3,925,565,540,416
5. Step 5: Solve for x
   x = 3,925,565,540,416/1,315,078
6. Step 6: Final answer
   x = 2,985,043.88