Finding the Third Proportional to 668,758 and 1,036,672

Step by Step Solution

1. Step 1: Write the proportion equation
   668,758 : 1,036,672 = 1,036,672 : x
2. Step 2: Convert to fraction form
   668,758/1,036,672 = 1,036,672/x
3. Step 3: Cross multiply
   668,758x = 1,036,672 × 1,036,672
4. Step 4: Simplify right side
   668,758x = 1,074,688,835,584
5. Step 5: Solve for x
   x = 1,074,688,835,584/668,758
6. Step 6: Final answer
   x = 1,606,992.12