Finding the Third Proportional to 1,136,128 and 2,449,388

Step by Step Solution

1. Step 1: Write the proportion equation
   1,136,128 : 2,449,388 = 2,449,388 : x
2. Step 2: Convert to fraction form
   1,136,128/2,449,388 = 2,449,388/x
3. Step 3: Cross multiply
   1,136,128x = 2,449,388 × 2,449,388
4. Step 4: Simplify right side
   1,136,128x = 5,999,501,574,544
5. Step 5: Solve for x
   x = 5,999,501,574,544/1,136,128
6. Step 6: Final answer
   x = 5,280,656.38