Finding the Third Proportional to 584,698 and 1,256,426

Step by Step Solution

1. Step 1: Write the proportion equation
   584,698 : 1,256,426 = 1,256,426 : x
2. Step 2: Convert to fraction form
   584,698/1,256,426 = 1,256,426/x
3. Step 3: Cross multiply
   584,698x = 1,256,426 × 1,256,426
4. Step 4: Simplify right side
   584,698x = 1,578,606,293,476
5. Step 5: Solve for x
   x = 1,578,606,293,476/584,698
6. Step 6: Final answer
   x = 2,699,866.07