Finding the Third Proportional to 1,404,453 and 2,121,437

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404,453 : 2,121,437 = 2,121,437 : x
2. Step 2: Convert to fraction form
   1,404,453/2,121,437 = 2,121,437/x
3. Step 3: Cross multiply
   1,404,453x = 2,121,437 × 2,121,437
4. Step 4: Simplify right side
   1,404,453x = 4,500,494,944,969
5. Step 5: Solve for x
   x = 4,500,494,944,969/1,404,453
6. Step 6: Final answer
   x = 3,204,446.82