Finding the Third Proportional to 259,287 and 562,836

Step by Step Solution

1. Step 1: Write the proportion equation
   259,287 : 562,836 = 562,836 : x
2. Step 2: Convert to fraction form
   259,287/562,836 = 562,836/x
3. Step 3: Cross multiply
   259,287x = 562,836 × 562,836
4. Step 4: Simplify right side
   259,287x = 316,784,362,896
5. Step 5: Solve for x
   x = 316,784,362,896/259,287
6. Step 6: Final answer
   x = 1,221,751.82