Finding the Third Proportional to 2,115,288 and 3,177,576

Step by Step Solution

1. Step 1: Write the proportion equation
   2,115,288 : 3,177,576 = 3,177,576 : x
2. Step 2: Convert to fraction form
   2,115,288/3,177,576 = 3,177,576/x
3. Step 3: Cross multiply
   2,115,288x = 3,177,576 × 3,177,576
4. Step 4: Simplify right side
   2,115,288x = 10,096,989,235,776
5. Step 5: Solve for x
   x = 10,096,989,235,776/2,115,288
6. Step 6: Final answer
   x = 4,773,340.20