Finding the Third Proportional to 1,310,738 and 1,770,891

Step by Step Solution

1. Step 1: Write the proportion equation
   1,310,738 : 1,770,891 = 1,770,891 : x
2. Step 2: Convert to fraction form
   1,310,738/1,770,891 = 1,770,891/x
3. Step 3: Cross multiply
   1,310,738x = 1,770,891 × 1,770,891
4. Step 4: Simplify right side
   1,310,738x = 3,136,054,933,881
5. Step 5: Solve for x
   x = 3,136,054,933,881/1,310,738
6. Step 6: Final answer
   x = 2,392,587.18