Finding the Third Proportional to 2,172,560 and 3,286,796

Step by Step Solution

1. Step 1: Write the proportion equation
   2,172,560 : 3,286,796 = 3,286,796 : x
2. Step 2: Convert to fraction form
   2,172,560/3,286,796 = 3,286,796/x
3. Step 3: Cross multiply
   2,172,560x = 3,286,796 × 3,286,796
4. Step 4: Simplify right side
   2,172,560x = 10,803,027,945,616
5. Step 5: Solve for x
   x = 10,803,027,945,616/2,172,560
6. Step 6: Final answer
   x = 4,972,487.73