Finding the Third Proportional to 2,106,602 and 3,178,515

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106,602 : 3,178,515 = 3,178,515 : x
2. Step 2: Convert to fraction form
   2,106,602/3,178,515 = 3,178,515/x
3. Step 3: Cross multiply
   2,106,602x = 3,178,515 × 3,178,515
4. Step 4: Simplify right side
   2,106,602x = 10,102,957,605,225
5. Step 5: Solve for x
   x = 10,102,957,605,225/2,106,602
6. Step 6: Final answer
   x = 4,795,854.94