Finding the Third Proportional to 1,787,582 and 3,889,660

Step by Step Solution

1. Step 1: Write the proportion equation
   1,787,582 : 3,889,660 = 3,889,660 : x
2. Step 2: Convert to fraction form
   1,787,582/3,889,660 = 3,889,660/x
3. Step 3: Cross multiply
   1,787,582x = 3,889,660 × 3,889,660
4. Step 4: Simplify right side
   1,787,582x = 15,129,454,915,600
5. Step 5: Solve for x
   x = 15,129,454,915,600/1,787,582
6. Step 6: Final answer
   x = 8,463,642.46