Finding the Third Proportional to 1,219,449 and 1,811,484

Step by Step Solution

1. Step 1: Write the proportion equation
   1,219,449 : 1,811,484 = 1,811,484 : x
2. Step 2: Convert to fraction form
   1,219,449/1,811,484 = 1,811,484/x
3. Step 3: Cross multiply
   1,219,449x = 1,811,484 × 1,811,484
4. Step 4: Simplify right side
   1,219,449x = 3,281,474,282,256
5. Step 5: Solve for x
   x = 3,281,474,282,256/1,219,449
6. Step 6: Final answer
   x = 2,690,948.36