Finding the Third Proportional to 555,816 and 1,172,880

Step by Step Solution

1. Step 1: Write the proportion equation
   555,816 : 1,172,880 = 1,172,880 : x
2. Step 2: Convert to fraction form
   555,816/1,172,880 = 1,172,880/x
3. Step 3: Cross multiply
   555,816x = 1,172,880 × 1,172,880
4. Step 4: Simplify right side
   555,816x = 1,375,647,494,400
5. Step 5: Solve for x
   x = 1,375,647,494,400/555,816
6. Step 6: Final answer
   x = 2,475,005.21