Finding the Third Proportional to 41,386 and 55,518

Step by Step Solution

1. Step 1: Write the proportion equation
   41,386 : 55,518 = 55,518 : x
2. Step 2: Convert to fraction form
   41,386/55,518 = 55,518/x
3. Step 3: Cross multiply
   41,386x = 55,518 × 55,518
4. Step 4: Simplify right side
   41,386x = 3,082,248,324
5. Step 5: Solve for x
   x = 3,082,248,324/41,386
6. Step 6: Final answer
   x = 74,475.63