Finding the Third Proportional to 727,648 and 1,574,864

Step by Step Solution

1. Step 1: Write the proportion equation
   727,648 : 1,574,864 = 1,574,864 : x
2. Step 2: Convert to fraction form
   727,648/1,574,864 = 1,574,864/x
3. Step 3: Cross multiply
   727,648x = 1,574,864 × 1,574,864
4. Step 4: Simplify right side
   727,648x = 2,480,196,618,496
5. Step 5: Solve for x
   x = 2,480,196,618,496/727,648
6. Step 6: Final answer
   x = 3,408,511.56