Finding the Third Proportional to 1,425,496 and 2,131,260

Step by Step Solution

1. Step 1: Write the proportion equation
   1,425,496 : 2,131,260 = 2,131,260 : x
2. Step 2: Convert to fraction form
   1,425,496/2,131,260 = 2,131,260/x
3. Step 3: Cross multiply
   1,425,496x = 2,131,260 × 2,131,260
4. Step 4: Simplify right side
   1,425,496x = 4,542,269,187,600
5. Step 5: Solve for x
   x = 4,542,269,187,600/1,425,496
6. Step 6: Final answer
   x = 3,186,448.22