Finding the Third Proportional to 1,064,978 and 1,608,555

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064,978 : 1,608,555 = 1,608,555 : x
2. Step 2: Convert to fraction form
   1,064,978/1,608,555 = 1,608,555/x
3. Step 3: Cross multiply
   1,064,978x = 1,608,555 × 1,608,555
4. Step 4: Simplify right side
   1,064,978x = 2,587,449,188,025
5. Step 5: Solve for x
   x = 2,587,449,188,025/1,064,978
6. Step 6: Final answer
   x = 2,429,579.94