Finding the Third Proportional to 2,172,535 and 3,286,765

Step by Step Solution

1. Step 1: Write the proportion equation
   2,172,535 : 3,286,765 = 3,286,765 : x
2. Step 2: Convert to fraction form
   2,172,535/3,286,765 = 3,286,765/x
3. Step 3: Cross multiply
   2,172,535x = 3,286,765 × 3,286,765
4. Step 4: Simplify right side
   2,172,535x = 10,802,824,165,225
5. Step 5: Solve for x
   x = 10,802,824,165,225/2,172,535
6. Step 6: Final answer
   x = 4,972,451.15