Finding the Third Proportional to 554,142 and 1,193,040

Step by Step Solution

1. Step 1: Write the proportion equation
   554,142 : 1,193,040 = 1,193,040 : x
2. Step 2: Convert to fraction form
   554,142/1,193,040 = 1,193,040/x
3. Step 3: Cross multiply
   554,142x = 1,193,040 × 1,193,040
4. Step 4: Simplify right side
   554,142x = 1,423,344,441,600
5. Step 5: Solve for x
   x = 1,423,344,441,600/554,142
6. Step 6: Final answer
   x = 2,568,555.43