Finding the Third Proportional to 859,972 and 2,008,180

Step by Step Solution

1. Step 1: Write the proportion equation
   859,972 : 2,008,180 = 2,008,180 : x
2. Step 2: Convert to fraction form
   859,972/2,008,180 = 2,008,180/x
3. Step 3: Cross multiply
   859,972x = 2,008,180 × 2,008,180
4. Step 4: Simplify right side
   859,972x = 4,032,786,912,400
5. Step 5: Solve for x
   x = 4,032,786,912,400/859,972
6. Step 6: Final answer
   x = 4,689,439.79