Finding the Third Proportional to 1,224,419 and 2,859,218

Step by Step Solution

1. Step 1: Write the proportion equation
   1,224,419 : 2,859,218 = 2,859,218 : x
2. Step 2: Convert to fraction form
   1,224,419/2,859,218 = 2,859,218/x
3. Step 3: Cross multiply
   1,224,419x = 2,859,218 × 2,859,218
4. Step 4: Simplify right side
   1,224,419x = 8,175,127,571,524
5. Step 5: Solve for x
   x = 8,175,127,571,524/1,224,419
6. Step 6: Final answer
   x = 6,676,740.21