Finding the Third Proportional to 611,886 and 1,325,448

Step by Step Solution

1. Step 1: Write the proportion equation
   611,886 : 1,325,448 = 1,325,448 : x
2. Step 2: Convert to fraction form
   611,886/1,325,448 = 1,325,448/x
3. Step 3: Cross multiply
   611,886x = 1,325,448 × 1,325,448
4. Step 4: Simplify right side
   611,886x = 1,756,812,400,704
5. Step 5: Solve for x
   x = 1,756,812,400,704/611,886
6. Step 6: Final answer
   x = 2,871,143.32