Finding the Third Proportional to 2,172,554.25 and 3,286,788

Step by Step Solution

1. Step 1: Write the proportion equation
   2,172,554.25 : 3,286,788 = 3,286,788 : x
2. Step 2: Convert to fraction form
   2,172,554.25/3,286,788 = 3,286,788/x
3. Step 3: Cross multiply
   2,172,554.25x = 3,286,788 × 3,286,788
4. Step 4: Simplify right side
   2,172,554.25x = 10,802,975,356,944
5. Step 5: Solve for x
   x = 10,802,975,356,944/2,172,554.25
6. Step 6: Final answer
   x = 4,972,476.69