Finding the Third Proportional to 1,136,129 and 2,449,390

Step by Step Solution

1. Step 1: Write the proportion equation
   1,136,129 : 2,449,390 = 2,449,390 : x
2. Step 2: Convert to fraction form
   1,136,129/2,449,390 = 2,449,390/x
3. Step 3: Cross multiply
   1,136,129x = 2,449,390 × 2,449,390
4. Step 4: Simplify right side
   1,136,129x = 5,999,511,372,100
5. Step 5: Solve for x
   x = 5,999,511,372,100/1,136,129
6. Step 6: Final answer
   x = 5,280,660.36