Finding the Third Proportional to 172,051.50 and 377,313

Step by Step Solution

1. Step 1: Write the proportion equation
   172,051.50 : 377,313 = 377,313 : x
2. Step 2: Convert to fraction form
   172,051.50/377,313 = 377,313/x
3. Step 3: Cross multiply
   172,051.50x = 377,313 × 377,313
4. Step 4: Simplify right side
   172,051.50x = 142,365,099,969
5. Step 5: Solve for x
   x = 142,365,099,969/172,051.50
6. Step 6: Final answer
   x = 827,456.31