Finding the Third Proportional to 1,129,442 and 2,202,128

Step by Step Solution

1. Step 1: Write the proportion equation
   1,129,442 : 2,202,128 = 2,202,128 : x
2. Step 2: Convert to fraction form
   1,129,442/2,202,128 = 2,202,128/x
3. Step 3: Cross multiply
   1,129,442x = 2,202,128 × 2,202,128
4. Step 4: Simplify right side
   1,129,442x = 4,849,367,728,384
5. Step 5: Solve for x
   x = 4,849,367,728,384/1,129,442
6. Step 6: Final answer
   x = 4,293,596.07