Finding the Third Proportional to 1,128,998 and 2,435,260

Step by Step Solution

1. Step 1: Write the proportion equation
   1,128,998 : 2,435,260 = 2,435,260 : x
2. Step 2: Convert to fraction form
   1,128,998/2,435,260 = 2,435,260/x
3. Step 3: Cross multiply
   1,128,998x = 2,435,260 × 2,435,260
4. Step 4: Simplify right side
   1,128,998x = 5,930,491,267,600
5. Step 5: Solve for x
   x = 5,930,491,267,600/1,128,998
6. Step 6: Final answer
   x = 5,252,880.22