Finding the Third Proportional to 560,831 and 1,223,168

Step by Step Solution

1. Step 1: Write the proportion equation
   560,831 : 1,223,168 = 1,223,168 : x
2. Step 2: Convert to fraction form
   560,831/1,223,168 = 1,223,168/x
3. Step 3: Cross multiply
   560,831x = 1,223,168 × 1,223,168
4. Step 4: Simplify right side
   560,831x = 1,496,139,956,224
5. Step 5: Solve for x
   x = 1,496,139,956,224/560,831
6. Step 6: Final answer
   x = 2,667,719.79