Finding the Third Proportional to 539,769 and 792,144

Step by Step Solution

1. Step 1: Write the proportion equation
   539,769 : 792,144 = 792,144 : x
2. Step 2: Convert to fraction form
   539,769/792,144 = 792,144/x
3. Step 3: Cross multiply
   539,769x = 792,144 × 792,144
4. Step 4: Simplify right side
   539,769x = 627,492,116,736
5. Step 5: Solve for x
   x = 627,492,116,736/539,769
6. Step 6: Final answer
   x = 1,162,519.74