Finding the Third Proportional to 4,665,028 and 7,617,570

Step by Step Solution

1. Step 1: Write the proportion equation
   4,665,028 : 7,617,570 = 7,617,570 : x
2. Step 2: Convert to fraction form
   4,665,028/7,617,570 = 7,617,570/x
3. Step 3: Cross multiply
   4,665,028x = 7,617,570 × 7,617,570
4. Step 4: Simplify right side
   4,665,028x = 58,027,372,704,900
5. Step 5: Solve for x
   x = 58,027,372,704,900/4,665,028
6. Step 6: Final answer
   x = 12,438,804.81