Finding the Third Proportional to 2,181,872 and 4,666,976

Step by Step Solution

1. Step 1: Write the proportion equation
   2,181,872 : 4,666,976 = 4,666,976 : x
2. Step 2: Convert to fraction form
   2,181,872/4,666,976 = 4,666,976/x
3. Step 3: Cross multiply
   2,181,872x = 4,666,976 × 4,666,976
4. Step 4: Simplify right side
   2,181,872x = 21,780,664,984,576
5. Step 5: Solve for x
   x = 21,780,664,984,576/2,181,872
6. Step 6: Final answer
   x = 9,982,558.55