Finding the Third Proportional to 2,172,562 and 3,286,800

Step by Step Solution

1. Step 1: Write the proportion equation
   2,172,562 : 3,286,800 = 3,286,800 : x
2. Step 2: Convert to fraction form
   2,172,562/3,286,800 = 3,286,800/x
3. Step 3: Cross multiply
   2,172,562x = 3,286,800 × 3,286,800
4. Step 4: Simplify right side
   2,172,562x = 10,803,054,240,000
5. Step 5: Solve for x
   x = 10,803,054,240,000/2,172,562
6. Step 6: Final answer
   x = 4,972,495.26