Finding the Third Proportional to 1,307,729 and 2,815,843

Step by Step Solution

1. Step 1: Write the proportion equation
   1,307,729 : 2,815,843 = 2,815,843 : x
2. Step 2: Convert to fraction form
   1,307,729/2,815,843 = 2,815,843/x
3. Step 3: Cross multiply
   1,307,729x = 2,815,843 × 2,815,843
4. Step 4: Simplify right side
   1,307,729x = 7,928,971,800,649
5. Step 5: Solve for x
   x = 7,928,971,800,649/1,307,729
6. Step 6: Final answer
   x = 6,063,161.25