Finding the Third Proportional to 30,300 and 61,836

Step by Step Solution

1. Step 1: Write the proportion equation
   30,300 : 61,836 = 61,836 : x
2. Step 2: Convert to fraction form
   30,300/61,836 = 61,836/x
3. Step 3: Cross multiply
   30,300x = 61,836 × 61,836
4. Step 4: Simplify right side
   30,300x = 3,823,690,896
5. Step 5: Solve for x
   x = 3,823,690,896/30,300
6. Step 6: Final answer
   x = 126,194.42