Finding the Third Proportional to 1,555,392 and 2,399,424

Step by Step Solution

1. Step 1: Write the proportion equation
   1,555,392 : 2,399,424 = 2,399,424 : x
2. Step 2: Convert to fraction form
   1,555,392/2,399,424 = 2,399,424/x
3. Step 3: Cross multiply
   1,555,392x = 2,399,424 × 2,399,424
4. Step 4: Simplify right side
   1,555,392x = 5,757,235,531,776
5. Step 5: Solve for x
   x = 5,757,235,531,776/1,555,392
6. Step 6: Final answer
   x = 3,701,469.17