Finding the Third Proportional to 1,018,465 and 2,120,582

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018,465 : 2,120,582 = 2,120,582 : x
2. Step 2: Convert to fraction form
   1,018,465/2,120,582 = 2,120,582/x
3. Step 3: Cross multiply
   1,018,465x = 2,120,582 × 2,120,582
4. Step 4: Simplify right side
   1,018,465x = 4,496,868,018,724
5. Step 5: Solve for x
   x = 4,496,868,018,724/1,018,465
6. Step 6: Final answer
   x = 4,415,338.79