Finding the Third Proportional to 921,040 and 1,982,048

Step by Step Solution

1. Step 1: Write the proportion equation
   921,040 : 1,982,048 = 1,982,048 : x
2. Step 2: Convert to fraction form
   921,040/1,982,048 = 1,982,048/x
3. Step 3: Cross multiply
   921,040x = 1,982,048 × 1,982,048
4. Step 4: Simplify right side
   921,040x = 3,928,514,274,304
5. Step 5: Solve for x
   x = 3,928,514,274,304/921,040
6. Step 6: Final answer
   x = 4,265,302.56