Finding the Third Proportional to 79,299.75 and 174,371.25

Step by Step Solution

1. Step 1: Write the proportion equation
   79,299.75 : 174,371.25 = 174,371.25 : x
2. Step 2: Convert to fraction form
   79,299.75/174,371.25 = 174,371.25/x
3. Step 3: Cross multiply
   79,299.75x = 174,371.25 × 174,371.25
4. Step 4: Simplify right side
   79,299.75x = 30,405,332,826.56
5. Step 5: Solve for x
   x = 30,405,332,826.56/79,299.75
6. Step 6: Final answer
   x = 383,422.81