Finding the Third Proportional to 20,422 and 44,978

Step by Step Solution

1. Step 1: Write the proportion equation
   20,422 : 44,978 = 44,978 : x
2. Step 2: Convert to fraction form
   20,422/44,978 = 44,978/x
3. Step 3: Cross multiply
   20,422x = 44,978 × 44,978
4. Step 4: Simplify right side
   20,422x = 2,023,020,484
5. Step 5: Solve for x
   x = 2,023,020,484/20,422
6. Step 6: Final answer
   x = 99,060.84