Finding the Third Proportional to 1,183,487 and 2,588,406

Step by Step Solution

1. Step 1: Write the proportion equation
   1,183,487 : 2,588,406 = 2,588,406 : x
2. Step 2: Convert to fraction form
   1,183,487/2,588,406 = 2,588,406/x
3. Step 3: Cross multiply
   1,183,487x = 2,588,406 × 2,588,406
4. Step 4: Simplify right side
   1,183,487x = 6,699,845,620,836
5. Step 5: Solve for x
   x = 6,699,845,620,836/1,183,487
6. Step 6: Final answer
   x = 5,661,106.22