Finding the Third Proportional to 2,181,384 and 4,563,216

Step by Step Solution

1. Step 1: Write the proportion equation
   2,181,384 : 4,563,216 = 4,563,216 : x
2. Step 2: Convert to fraction form
   2,181,384/4,563,216 = 4,563,216/x
3. Step 3: Cross multiply
   2,181,384x = 4,563,216 × 4,563,216
4. Step 4: Simplify right side
   2,181,384x = 20,822,940,262,656
5. Step 5: Solve for x
   x = 20,822,940,262,656/2,181,384
6. Step 6: Final answer
   x = 9,545,747.22