Finding the Third Proportional to 1,022,058 and 1,388,638.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,022,058 : 1,388,638.69 = 1,388,638.69 : x
2. Step 2: Convert to fraction form
   1,022,058/1,388,638.69 = 1,388,638.69/x
3. Step 3: Cross multiply
   1,022,058x = 1,388,638.69 × 1,388,638.69
4. Step 4: Simplify right side
   1,022,058x = 1,928,317,404,421.72
5. Step 5: Solve for x
   x = 1,928,317,404,421.72/1,022,058
6. Step 6: Final answer
   x = 1,886,700.56