Finding the Third Proportional to 2,153,426 and 3,136,665

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153,426 : 3,136,665 = 3,136,665 : x
2. Step 2: Convert to fraction form
   2,153,426/3,136,665 = 3,136,665/x
3. Step 3: Cross multiply
   2,153,426x = 3,136,665 × 3,136,665
4. Step 4: Simplify right side
   2,153,426x = 9,838,667,322,225
5. Step 5: Solve for x
   x = 9,838,667,322,225/2,153,426
6. Step 6: Final answer
   x = 4,568,843.94