Finding the Third Proportional to 80,484.75 and 174,858

Step by Step Solution

1. Step 1: Write the proportion equation
   80,484.75 : 174,858 = 174,858 : x
2. Step 2: Convert to fraction form
   80,484.75/174,858 = 174,858/x
3. Step 3: Cross multiply
   80,484.75x = 174,858 × 174,858
4. Step 4: Simplify right side
   80,484.75x = 30,575,320,164
5. Step 5: Solve for x
   x = 30,575,320,164/80,484.75
6. Step 6: Final answer
   x = 379,889.61