Finding the Third Proportional to 1,818,056 and 3,967,888

Step by Step Solution

1. Step 1: Write the proportion equation
   1,818,056 : 3,967,888 = 3,967,888 : x
2. Step 2: Convert to fraction form
   1,818,056/3,967,888 = 3,967,888/x
3. Step 3: Cross multiply
   1,818,056x = 3,967,888 × 3,967,888
4. Step 4: Simplify right side
   1,818,056x = 15,744,135,180,544
5. Step 5: Solve for x
   x = 15,744,135,180,544/1,818,056
6. Step 6: Final answer
   x = 8,659,873.61