Finding the Third Proportional to 578,610 and 1,260,036

Step by Step Solution

1. Step 1: Write the proportion equation
   578,610 : 1,260,036 = 1,260,036 : x
2. Step 2: Convert to fraction form
   578,610/1,260,036 = 1,260,036/x
3. Step 3: Cross multiply
   578,610x = 1,260,036 × 1,260,036
4. Step 4: Simplify right side
   578,610x = 1,587,690,721,296
5. Step 5: Solve for x
   x = 1,587,690,721,296/578,610
6. Step 6: Final answer
   x = 2,743,973.87