Finding the Third Proportional to 79,299.50 and 116,758.75

Step by Step Solution

1. Step 1: Write the proportion equation
   79,299.50 : 116,758.75 = 116,758.75 : x
2. Step 2: Convert to fraction form
   79,299.50/116,758.75 = 116,758.75/x
3. Step 3: Cross multiply
   79,299.50x = 116,758.75 × 116,758.75
4. Step 4: Simplify right side
   79,299.50x = 13,632,605,701.56
5. Step 5: Solve for x
   x = 13,632,605,701.56/79,299.50
6. Step 6: Final answer
   x = 171,912.88