Finding the Third Proportional to 2,172,642 and 3,192,435

Step by Step Solution

1. Step 1: Write the proportion equation
   2,172,642 : 3,192,435 = 3,192,435 : x
2. Step 2: Convert to fraction form
   2,172,642/3,192,435 = 3,192,435/x
3. Step 3: Cross multiply
   2,172,642x = 3,192,435 × 3,192,435
4. Step 4: Simplify right side
   2,172,642x = 10,191,641,229,225
5. Step 5: Solve for x
   x = 10,191,641,229,225/2,172,642
6. Step 6: Final answer
   x = 4,690,897.64