Finding the Third Proportional to 78,333 and 126,099

Step by Step Solution

1. Step 1: Write the proportion equation
   78,333 : 126,099 = 126,099 : x
2. Step 2: Convert to fraction form
   78,333/126,099 = 126,099/x
3. Step 3: Cross multiply
   78,333x = 126,099 × 126,099
4. Step 4: Simplify right side
   78,333x = 15,900,957,801
5. Step 5: Solve for x
   x = 15,900,957,801/78,333
6. Step 6: Final answer
   x = 202,991.81