Finding the Third Proportional to 80,458.31 and 174,924.56

Step by Step Solution

1. Step 1: Write the proportion equation
   80,458.31 : 174,924.56 = 174,924.56 : x
2. Step 2: Convert to fraction form
   80,458.31/174,924.56 = 174,924.56/x
3. Step 3: Cross multiply
   80,458.31x = 174,924.56 × 174,924.56
4. Step 4: Simplify right side
   80,458.31x = 30,598,602,565.82
5. Step 5: Solve for x
   x = 30,598,602,565.82/80,458.31
6. Step 6: Final answer
   x = 380,303.81