Finding the Third Proportional to 1,997,856 and 4,315,410

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997,856 : 4,315,410 = 4,315,410 : x
2. Step 2: Convert to fraction form
   1,997,856/4,315,410 = 4,315,410/x
3. Step 3: Cross multiply
   1,997,856x = 4,315,410 × 4,315,410
4. Step 4: Simplify right side
   1,997,856x = 18,622,763,468,100
5. Step 5: Solve for x
   x = 18,622,763,468,100/1,997,856
6. Step 6: Final answer
   x = 9,321,374.25