Finding the Third Proportional to 172,099.50 and 372,795

Step by Step Solution

1. Step 1: Write the proportion equation
   172,099.50 : 372,795 = 372,795 : x
2. Step 2: Convert to fraction form
   172,099.50/372,795 = 372,795/x
3. Step 3: Cross multiply
   172,099.50x = 372,795 × 372,795
4. Step 4: Simplify right side
   172,099.50x = 138,976,112,025
5. Step 5: Solve for x
   x = 138,976,112,025/172,099.50
6. Step 6: Final answer
   x = 807,533.50