Finding the Third Proportional to 543,856 and 1,166,443

Step by Step Solution

1. Step 1: Write the proportion equation
   543,856 : 1,166,443 = 1,166,443 : x
2. Step 2: Convert to fraction form
   543,856/1,166,443 = 1,166,443/x
3. Step 3: Cross multiply
   543,856x = 1,166,443 × 1,166,443
4. Step 4: Simplify right side
   543,856x = 1,360,589,272,249
5. Step 5: Solve for x
   x = 1,360,589,272,249/543,856
6. Step 6: Final answer
   x = 2,501,745.45