Finding the Third Proportional to 543,855 and 1,166,442

Step by Step Solution

1. Step 1: Write the proportion equation
   543,855 : 1,166,442 = 1,166,442 : x
2. Step 2: Convert to fraction form
   543,855/1,166,442 = 1,166,442/x
3. Step 3: Cross multiply
   543,855x = 1,166,442 × 1,166,442
4. Step 4: Simplify right side
   543,855x = 1,360,586,939,364
5. Step 5: Solve for x
   x = 1,360,586,939,364/543,855
6. Step 6: Final answer
   x = 2,501,745.76