Finding the Third Proportional to 172,103.50 and 372,808

Step by Step Solution

1. Step 1: Write the proportion equation
   172,103.50 : 372,808 = 372,808 : x
2. Step 2: Convert to fraction form
   172,103.50/372,808 = 372,808/x
3. Step 3: Cross multiply
   172,103.50x = 372,808 × 372,808
4. Step 4: Simplify right side
   172,103.50x = 138,985,804,864
5. Step 5: Solve for x
   x = 138,985,804,864/172,103.50
6. Step 6: Final answer
   x = 807,571.05