Finding the Third Proportional to 2,161,216 and 4,702,976

Step by Step Solution

1. Step 1: Write the proportion equation
   2,161,216 : 4,702,976 = 4,702,976 : x
2. Step 2: Convert to fraction form
   2,161,216/4,702,976 = 4,702,976/x
3. Step 3: Cross multiply
   2,161,216x = 4,702,976 × 4,702,976
4. Step 4: Simplify right side
   2,161,216x = 22,117,983,256,576
5. Step 5: Solve for x
   x = 22,117,983,256,576/2,161,216
6. Step 6: Final answer
   x = 10,234,045.67