Finding the Third Proportional to 1,128,990 and 2,435,244

Step by Step Solution

1. Step 1: Write the proportion equation
   1,128,990 : 2,435,244 = 2,435,244 : x
2. Step 2: Convert to fraction form
   1,128,990/2,435,244 = 2,435,244/x
3. Step 3: Cross multiply
   1,128,990x = 2,435,244 × 2,435,244
4. Step 4: Simplify right side
   1,128,990x = 5,930,413,339,536
5. Step 5: Solve for x
   x = 5,930,413,339,536/1,128,990
6. Step 6: Final answer
   x = 5,252,848.42