Finding the Third Proportional to 33,139.50 and 51,198.75

Step by Step Solution

1. Step 1: Write the proportion equation
   33,139.50 : 51,198.75 = 51,198.75 : x
2. Step 2: Convert to fraction form
   33,139.50/51,198.75 = 51,198.75/x
3. Step 3: Cross multiply
   33,139.50x = 51,198.75 × 51,198.75
4. Step 4: Simplify right side
   33,139.50x = 2,621,312,001.56
5. Step 5: Solve for x
   x = 2,621,312,001.56/33,139.50
6. Step 6: Final answer
   x = 79,099.32