Finding the Third Proportional to 1,878,490 and 4,022,610

Step by Step Solution

1. Step 1: Write the proportion equation
   1,878,490 : 4,022,610 = 4,022,610 : x
2. Step 2: Convert to fraction form
   1,878,490/4,022,610 = 4,022,610/x
3. Step 3: Cross multiply
   1,878,490x = 4,022,610 × 4,022,610
4. Step 4: Simplify right side
   1,878,490x = 16,181,391,212,100
5. Step 5: Solve for x
   x = 16,181,391,212,100/1,878,490
6. Step 6: Final answer
   x = 8,614,041.71