Finding the Third Proportional to 2,172,582 and 3,286,830

Step by Step Solution

1. Step 1: Write the proportion equation
   2,172,582 : 3,286,830 = 3,286,830 : x
2. Step 2: Convert to fraction form
   2,172,582/3,286,830 = 3,286,830/x
3. Step 3: Cross multiply
   2,172,582x = 3,286,830 × 3,286,830
4. Step 4: Simplify right side
   2,172,582x = 10,803,251,448,900
5. Step 5: Solve for x
   x = 10,803,251,448,900/2,172,582
6. Step 6: Final answer
   x = 4,972,540.25