Finding the Third Proportional to 656,028 and 1,420,866

Step by Step Solution

1. Step 1: Write the proportion equation
   656,028 : 1,420,866 = 1,420,866 : x
2. Step 2: Convert to fraction form
   656,028/1,420,866 = 1,420,866/x
3. Step 3: Cross multiply
   656,028x = 1,420,866 × 1,420,866
4. Step 4: Simplify right side
   656,028x = 2,018,860,189,956
5. Step 5: Solve for x
   x = 2,018,860,189,956/656,028
6. Step 6: Final answer
   x = 3,077,399.42