Finding the Third Proportional to 1,312,035 and 2,728,816

Step by Step Solution

1. Step 1: Write the proportion equation
   1,312,035 : 2,728,816 = 2,728,816 : x
2. Step 2: Convert to fraction form
   1,312,035/2,728,816 = 2,728,816/x
3. Step 3: Cross multiply
   1,312,035x = 2,728,816 × 2,728,816
4. Step 4: Simplify right side
   1,312,035x = 7,446,436,761,856
5. Step 5: Solve for x
   x = 7,446,436,761,856/1,312,035
6. Step 6: Final answer
   x = 5,675,486.37