Finding the Third Proportional to 19,969 and 42,373

Step by Step Solution

1. Step 1: Write the proportion equation
   19,969 : 42,373 = 42,373 : x
2. Step 2: Convert to fraction form
   19,969/42,373 = 42,373/x
3. Step 3: Cross multiply
   19,969x = 42,373 × 42,373
4. Step 4: Simplify right side
   19,969x = 1,795,471,129
5. Step 5: Solve for x
   x = 1,795,471,129/19,969
6. Step 6: Final answer
   x = 89,912.92