Finding the Third Proportional to 80,372 and 173,704

Step by Step Solution

1. Step 1: Write the proportion equation
   80,372 : 173,704 = 173,704 : x
2. Step 2: Convert to fraction form
   80,372/173,704 = 173,704/x
3. Step 3: Cross multiply
   80,372x = 173,704 × 173,704
4. Step 4: Simplify right side
   80,372x = 30,173,079,616
5. Step 5: Solve for x
   x = 30,173,079,616/80,372
6. Step 6: Final answer
   x = 375,417.80