Finding the Third Proportional to 1,199,200 and 2,553,768

Step by Step Solution

1. Step 1: Write the proportion equation
   1,199,200 : 2,553,768 = 2,553,768 : x
2. Step 2: Convert to fraction form
   1,199,200/2,553,768 = 2,553,768/x
3. Step 3: Cross multiply
   1,199,200x = 2,553,768 × 2,553,768
4. Step 4: Simplify right side
   1,199,200x = 6,521,730,997,824
5. Step 5: Solve for x
   x = 6,521,730,997,824/1,199,200
6. Step 6: Final answer
   x = 5,438,401.43