Finding the Third Proportional to 583,208 and 1,276,144

Step by Step Solution

1. Step 1: Write the proportion equation
   583,208 : 1,276,144 = 1,276,144 : x
2. Step 2: Convert to fraction form
   583,208/1,276,144 = 1,276,144/x
3. Step 3: Cross multiply
   583,208x = 1,276,144 × 1,276,144
4. Step 4: Simplify right side
   583,208x = 1,628,543,508,736
5. Step 5: Solve for x
   x = 1,628,543,508,736/583,208
6. Step 6: Final answer
   x = 2,792,388.84