Finding the Third Proportional to 1,667,389 and 3,393,710

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667,389 : 3,393,710 = 3,393,710 : x
2. Step 2: Convert to fraction form
   1,667,389/3,393,710 = 3,393,710/x
3. Step 3: Cross multiply
   1,667,389x = 3,393,710 × 3,393,710
4. Step 4: Simplify right side
   1,667,389x = 11,517,267,564,100
5. Step 5: Solve for x
   x = 11,517,267,564,100/1,667,389
6. Step 6: Final answer
   x = 6,907,366.89