Finding the Third Proportional to 1,404,441 and 2,121,421

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404,441 : 2,121,421 = 2,121,421 : x
2. Step 2: Convert to fraction form
   1,404,441/2,121,421 = 2,121,421/x
3. Step 3: Cross multiply
   1,404,441x = 2,121,421 × 2,121,421
4. Step 4: Simplify right side
   1,404,441x = 4,500,427,059,241
5. Step 5: Solve for x
   x = 4,500,427,059,241/1,404,441
6. Step 6: Final answer
   x = 3,204,425.86