Finding the Third Proportional to 2,873,136 and 4,284,787

Step by Step Solution

1. Step 1: Write the proportion equation
   2,873,136 : 4,284,787 = 4,284,787 : x
2. Step 2: Convert to fraction form
   2,873,136/4,284,787 = 4,284,787/x
3. Step 3: Cross multiply
   2,873,136x = 4,284,787 × 4,284,787
4. Step 4: Simplify right side
   2,873,136x = 18,359,399,635,369
5. Step 5: Solve for x
   x = 18,359,399,635,369/2,873,136
6. Step 6: Final answer
   x = 6,390,021.09