Finding the Third Proportional to 584,830 and 1,275,356

Step by Step Solution

1. Step 1: Write the proportion equation
   584,830 : 1,275,356 = 1,275,356 : x
2. Step 2: Convert to fraction form
   584,830/1,275,356 = 1,275,356/x
3. Step 3: Cross multiply
   584,830x = 1,275,356 × 1,275,356
4. Step 4: Simplify right side
   584,830x = 1,626,532,926,736
5. Step 5: Solve for x
   x = 1,626,532,926,736/584,830
6. Step 6: Final answer
   x = 2,781,206.38