Finding the Third Proportional to 1,236,570 and 2,605,979

Step by Step Solution

1. Step 1: Write the proportion equation
   1,236,570 : 2,605,979 = 2,605,979 : x
2. Step 2: Convert to fraction form
   1,236,570/2,605,979 = 2,605,979/x
3. Step 3: Cross multiply
   1,236,570x = 2,605,979 × 2,605,979
4. Step 4: Simplify right side
   1,236,570x = 6,791,126,548,441
5. Step 5: Solve for x
   x = 6,791,126,548,441/1,236,570
6. Step 6: Final answer
   x = 5,491,906.28