Finding the Third Proportional to 828,886 and 1,283,787

Step by Step Solution

1. Step 1: Write the proportion equation
   828,886 : 1,283,787 = 1,283,787 : x
2. Step 2: Convert to fraction form
   828,886/1,283,787 = 1,283,787/x
3. Step 3: Cross multiply
   828,886x = 1,283,787 × 1,283,787
4. Step 4: Simplify right side
   828,886x = 1,648,109,061,369
5. Step 5: Solve for x
   x = 1,648,109,061,369/828,886
6. Step 6: Final answer
   x = 1,988,342.26