Finding the Third Proportional to 1,065,744 and 1,620,486

Step by Step Solution

1. Step 1: Write the proportion equation
   1,065,744 : 1,620,486 = 1,620,486 : x
2. Step 2: Convert to fraction form
   1,065,744/1,620,486 = 1,620,486/x
3. Step 3: Cross multiply
   1,065,744x = 1,620,486 × 1,620,486
4. Step 4: Simplify right side
   1,065,744x = 2,625,974,876,196
5. Step 5: Solve for x
   x = 2,625,974,876,196/1,065,744
6. Step 6: Final answer
   x = 2,463,982.79