Finding the Third Proportional to 1,143,621 and 1,682,167

Step by Step Solution

1. Step 1: Write the proportion equation
   1,143,621 : 1,682,167 = 1,682,167 : x
2. Step 2: Convert to fraction form
   1,143,621/1,682,167 = 1,682,167/x
3. Step 3: Cross multiply
   1,143,621x = 1,682,167 × 1,682,167
4. Step 4: Simplify right side
   1,143,621x = 2,829,685,815,889
5. Step 5: Solve for x
   x = 2,829,685,815,889/1,143,621
6. Step 6: Final answer
   x = 2,474,321.31