Finding the Third Proportional to 2,142,788.63 and 4,576,183.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,788.63 : 4,576,183.69 = 4,576,183.69 : x
2. Step 2: Convert to fraction form
   2,142,788.63/4,576,183.69 = 4,576,183.69/x
3. Step 3: Cross multiply
   2,142,788.63x = 4,576,183.69 × 4,576,183.69
4. Step 4: Simplify right side
   2,142,788.63x = 20,941,457,141,741.10
5. Step 5: Solve for x
   x = 20,941,457,141,741.10/2,142,788.63
6. Step 6: Final answer
   x = 9,772,992.49