Finding the Third Proportional to 1,171,428 and 1,769,622

Step by Step Solution

1. Step 1: Write the proportion equation
   1,171,428 : 1,769,622 = 1,769,622 : x
2. Step 2: Convert to fraction form
   1,171,428/1,769,622 = 1,769,622/x
3. Step 3: Cross multiply
   1,171,428x = 1,769,622 × 1,769,622
4. Step 4: Simplify right side
   1,171,428x = 3,131,562,022,884
5. Step 5: Solve for x
   x = 3,131,562,022,884/1,171,428
6. Step 6: Final answer
   x = 2,673,285.96