Finding the Third Proportional to 27,343 and 42,836

Step by Step Solution

1. Step 1: Write the proportion equation
   27,343 : 42,836 = 42,836 : x
2. Step 2: Convert to fraction form
   27,343/42,836 = 42,836/x
3. Step 3: Cross multiply
   27,343x = 42,836 × 42,836
4. Step 4: Simplify right side
   27,343x = 1,834,922,896
5. Step 5: Solve for x
   x = 1,834,922,896/27,343
6. Step 6: Final answer
   x = 67,107.59