Finding the Third Proportional to 2,178,659 and 3,194,740

Step by Step Solution

1. Step 1: Write the proportion equation
   2,178,659 : 3,194,740 = 3,194,740 : x
2. Step 2: Convert to fraction form
   2,178,659/3,194,740 = 3,194,740/x
3. Step 3: Cross multiply
   2,178,659x = 3,194,740 × 3,194,740
4. Step 4: Simplify right side
   2,178,659x = 10,206,363,667,600
5. Step 5: Solve for x
   x = 10,206,363,667,600/2,178,659
6. Step 6: Final answer
   x = 4,684,699.93