Finding the Third Proportional to 33,158 and 51,418

Step by Step Solution

1. Step 1: Write the proportion equation
   33,158 : 51,418 = 51,418 : x
2. Step 2: Convert to fraction form
   33,158/51,418 = 51,418/x
3. Step 3: Cross multiply
   33,158x = 51,418 × 51,418
4. Step 4: Simplify right side
   33,158x = 2,643,810,724
5. Step 5: Solve for x
   x = 2,643,810,724/33,158
6. Step 6: Final answer
   x = 79,733.72