Finding the Third Proportional to 613,479 and 1,256,706

Step by Step Solution

1. Step 1: Write the proportion equation
   613,479 : 1,256,706 = 1,256,706 : x
2. Step 2: Convert to fraction form
   613,479/1,256,706 = 1,256,706/x
3. Step 3: Cross multiply
   613,479x = 1,256,706 × 1,256,706
4. Step 4: Simplify right side
   613,479x = 1,579,309,970,436
5. Step 5: Solve for x
   x = 1,579,309,970,436/613,479
6. Step 6: Final answer
   x = 2,574,350.50