Finding the Third Proportional to 918,789,869 and 1,412,245,870

Step by Step Solution

1. Step 1: Write the proportion equation
   918,789,869 : 1,412,245,870 = 1,412,245,870 : x
2. Step 2: Convert to fraction form
   918,789,869/1,412,245,870 = 1,412,245,870/x
3. Step 3: Cross multiply
   918,789,869x = 1,412,245,870 × 1,412,245,870
4. Step 4: Simplify right side
   918,789,869x = 1,994,438,397,332,056,832
5. Step 5: Solve for x
   x = 1,994,438,397,332,056,832/918,789,869
6. Step 6: Final answer
   x = 2,170,723,105.06