Finding the Third Proportional to 33,556.78 and 51,166.69

Step by Step Solution

1. Step 1: Write the proportion equation
   33,556.78 : 51,166.69 = 51,166.69 : x
2. Step 2: Convert to fraction form
   33,556.78/51,166.69 = 51,166.69/x
3. Step 3: Cross multiply
   33,556.78x = 51,166.69 × 51,166.69
4. Step 4: Simplify right side
   33,556.78x = 2,618,029,909.72
5. Step 5: Solve for x
   x = 2,618,029,909.72/33,556.78
6. Step 6: Final answer
   x = 78,017.91