Finding the Third Proportional to 1,204,878 and 2,509,636

Step by Step Solution

1. Step 1: Write the proportion equation
   1,204,878 : 2,509,636 = 2,509,636 : x
2. Step 2: Convert to fraction form
   1,204,878/2,509,636 = 2,509,636/x
3. Step 3: Cross multiply
   1,204,878x = 2,509,636 × 2,509,636
4. Step 4: Simplify right side
   1,204,878x = 6,298,272,852,496
5. Step 5: Solve for x
   x = 6,298,272,852,496/1,204,878
6. Step 6: Final answer
   x = 5,227,311.69