Finding the Third Proportional to 1,091,450 and 1,683,831

Step by Step Solution

1. Step 1: Write the proportion equation
   1,091,450 : 1,683,831 = 1,683,831 : x
2. Step 2: Convert to fraction form
   1,091,450/1,683,831 = 1,683,831/x
3. Step 3: Cross multiply
   1,091,450x = 1,683,831 × 1,683,831
4. Step 4: Simplify right side
   1,091,450x = 2,835,286,836,561
5. Step 5: Solve for x
   x = 2,835,286,836,561/1,091,450
6. Step 6: Final answer
   x = 2,597,724.89