Finding the Third Proportional to 2,172,566 and 3,286,806

Step by Step Solution

1. Step 1: Write the proportion equation
   2,172,566 : 3,286,806 = 3,286,806 : x
2. Step 2: Convert to fraction form
   2,172,566/3,286,806 = 3,286,806/x
3. Step 3: Cross multiply
   2,172,566x = 3,286,806 × 3,286,806
4. Step 4: Simplify right side
   2,172,566x = 10,803,093,681,636
5. Step 5: Solve for x
   x = 10,803,093,681,636/2,172,566
6. Step 6: Final answer
   x = 4,972,504.26