Finding the Third Proportional to 613,562 and 1,256,866

Step by Step Solution

1. Step 1: Write the proportion equation
   613,562 : 1,256,866 = 1,256,866 : x
2. Step 2: Convert to fraction form
   613,562/1,256,866 = 1,256,866/x
3. Step 3: Cross multiply
   613,562x = 1,256,866 × 1,256,866
4. Step 4: Simplify right side
   613,562x = 1,579,712,141,956
5. Step 5: Solve for x
   x = 1,579,712,141,956/613,562
6. Step 6: Final answer
   x = 2,574,657.72