Finding the Third Proportional to 1,449,372 and 2,131,434

Step by Step Solution

1. Step 1: Write the proportion equation
   1,449,372 : 2,131,434 = 2,131,434 : x
2. Step 2: Convert to fraction form
   1,449,372/2,131,434 = 2,131,434/x
3. Step 3: Cross multiply
   1,449,372x = 2,131,434 × 2,131,434
4. Step 4: Simplify right side
   1,449,372x = 4,543,010,896,356
5. Step 5: Solve for x
   x = 4,543,010,896,356/1,449,372
6. Step 6: Final answer
   x = 3,134,468.51