Finding the Third Proportional to 1,036,644 and 1,622,645

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036,644 : 1,622,645 = 1,622,645 : x
2. Step 2: Convert to fraction form
   1,036,644/1,622,645 = 1,622,645/x
3. Step 3: Cross multiply
   1,036,644x = 1,622,645 × 1,622,645
4. Step 4: Simplify right side
   1,036,644x = 2,632,976,796,025
5. Step 5: Solve for x
   x = 2,632,976,796,025/1,036,644
6. Step 6: Final answer
   x = 2,539,904.53