Finding the Third Proportional to 825,867 and 1,223,448

Step by Step Solution

1. Step 1: Write the proportion equation
   825,867 : 1,223,448 = 1,223,448 : x
2. Step 2: Convert to fraction form
   825,867/1,223,448 = 1,223,448/x
3. Step 3: Cross multiply
   825,867x = 1,223,448 × 1,223,448
4. Step 4: Simplify right side
   825,867x = 1,496,825,008,704
5. Step 5: Solve for x
   x = 1,496,825,008,704/825,867
6. Step 6: Final answer
   x = 1,812,428.65