Finding the Third Proportional to 668,595 and 1,410,990

Step by Step Solution

1. Step 1: Write the proportion equation
   668,595 : 1,410,990 = 1,410,990 : x
2. Step 2: Convert to fraction form
   668,595/1,410,990 = 1,410,990/x
3. Step 3: Cross multiply
   668,595x = 1,410,990 × 1,410,990
4. Step 4: Simplify right side
   668,595x = 1,990,892,780,100
5. Step 5: Solve for x
   x = 1,990,892,780,100/668,595
6. Step 6: Final answer
   x = 2,977,726.10