Finding the Third Proportional to 1,012,408 and 1,424,080

Step by Step Solution

1. Step 1: Write the proportion equation
   1,012,408 : 1,424,080 = 1,424,080 : x
2. Step 2: Convert to fraction form
   1,012,408/1,424,080 = 1,424,080/x
3. Step 3: Cross multiply
   1,012,408x = 1,424,080 × 1,424,080
4. Step 4: Simplify right side
   1,012,408x = 2,028,003,846,400
5. Step 5: Solve for x
   x = 2,028,003,846,400/1,012,408
6. Step 6: Final answer
   x = 2,003,148.78