Finding the Third Proportional to 1,277,488 and 2,129,024

Step by Step Solution

1. Step 1: Write the proportion equation
   1,277,488 : 2,129,024 = 2,129,024 : x
2. Step 2: Convert to fraction form
   1,277,488/2,129,024 = 2,129,024/x
3. Step 3: Cross multiply
   1,277,488x = 2,129,024 × 2,129,024
4. Step 4: Simplify right side
   1,277,488x = 4,532,743,192,576
5. Step 5: Solve for x
   x = 4,532,743,192,576/1,277,488
6. Step 6: Final answer
   x = 3,548,168.90