Finding the Third Proportional to 613,492 and 1,256,730

Step by Step Solution

1. Step 1: Write the proportion equation
   613,492 : 1,256,730 = 1,256,730 : x
2. Step 2: Convert to fraction form
   613,492/1,256,730 = 1,256,730/x
3. Step 3: Cross multiply
   613,492x = 1,256,730 × 1,256,730
4. Step 4: Simplify right side
   613,492x = 1,579,370,292,900
5. Step 5: Solve for x
   x = 1,579,370,292,900/613,492
6. Step 6: Final answer
   x = 2,574,394.28