Finding the Third Proportional to 19,956 and 41,978

Step by Step Solution

1. Step 1: Write the proportion equation
   19,956 : 41,978 = 41,978 : x
2. Step 2: Convert to fraction form
   19,956/41,978 = 41,978/x
3. Step 3: Cross multiply
   19,956x = 41,978 × 41,978
4. Step 4: Simplify right side
   19,956x = 1,762,152,484
5. Step 5: Solve for x
   x = 1,762,152,484/19,956
6. Step 6: Final answer
   x = 88,301.89