Finding the Third Proportional to 2,172,537 and 3,286,768

Step by Step Solution

1. Step 1: Write the proportion equation
   2,172,537 : 3,286,768 = 3,286,768 : x
2. Step 2: Convert to fraction form
   2,172,537/3,286,768 = 3,286,768/x
3. Step 3: Cross multiply
   2,172,537x = 3,286,768 × 3,286,768
4. Step 4: Simplify right side
   2,172,537x = 10,802,843,885,824
5. Step 5: Solve for x
   x = 10,802,843,885,824/2,172,537
6. Step 6: Final answer
   x = 4,972,455.65