Finding the Third Proportional to 20,348 and 42,883

Step by Step Solution

1. Step 1: Write the proportion equation
   20,348 : 42,883 = 42,883 : x
2. Step 2: Convert to fraction form
   20,348/42,883 = 42,883/x
3. Step 3: Cross multiply
   20,348x = 42,883 × 42,883
4. Step 4: Simplify right side
   20,348x = 1,838,951,689
5. Step 5: Solve for x
   x = 1,838,951,689/20,348
6. Step 6: Final answer
   x = 90,375.06