Finding the Third Proportional to 80,299.50 and 172,932

Step by Step Solution

1. Step 1: Write the proportion equation
   80,299.50 : 172,932 = 172,932 : x
2. Step 2: Convert to fraction form
   80,299.50/172,932 = 172,932/x
3. Step 3: Cross multiply
   80,299.50x = 172,932 × 172,932
4. Step 4: Simplify right side
   80,299.50x = 29,905,476,624
5. Step 5: Solve for x
   x = 29,905,476,624/80,299.50
6. Step 6: Final answer
   x = 372,424.19