Finding the Third Proportional to 40,958 and 55,603

Step by Step Solution

1. Step 1: Write the proportion equation
   40,958 : 55,603 = 55,603 : x
2. Step 2: Convert to fraction form
   40,958/55,603 = 55,603/x
3. Step 3: Cross multiply
   40,958x = 55,603 × 55,603
4. Step 4: Simplify right side
   40,958x = 3,091,693,609
5. Step 5: Solve for x
   x = 3,091,693,609/40,958
6. Step 6: Final answer
   x = 75,484.49