Finding the Third Proportional to 80,323.50 and 176,412

Step by Step Solution

1. Step 1: Write the proportion equation
   80,323.50 : 176,412 = 176,412 : x
2. Step 2: Convert to fraction form
   80,323.50/176,412 = 176,412/x
3. Step 3: Cross multiply
   80,323.50x = 176,412 × 176,412
4. Step 4: Simplify right side
   80,323.50x = 31,121,193,744
5. Step 5: Solve for x
   x = 31,121,193,744/80,323.50
6. Step 6: Final answer
   x = 387,448.18