Finding the Third Proportional to 1,776,636 and 3,907,485

Step by Step Solution

1. Step 1: Write the proportion equation
   1,776,636 : 3,907,485 = 3,907,485 : x
2. Step 2: Convert to fraction form
   1,776,636/3,907,485 = 3,907,485/x
3. Step 3: Cross multiply
   1,776,636x = 3,907,485 × 3,907,485
4. Step 4: Simplify right side
   1,776,636x = 15,268,439,025,225
5. Step 5: Solve for x
   x = 15,268,439,025,225/1,776,636
6. Step 6: Final answer
   x = 8,594,016.46