Finding the Third Proportional to 172,066 and 377,373

Step by Step Solution

1. Step 1: Write the proportion equation
   172,066 : 377,373 = 377,373 : x
2. Step 2: Convert to fraction form
   172,066/377,373 = 377,373/x
3. Step 3: Cross multiply
   172,066x = 377,373 × 377,373
4. Step 4: Simplify right side
   172,066x = 142,410,381,129
5. Step 5: Solve for x
   x = 142,410,381,129/172,066
6. Step 6: Final answer
   x = 827,649.75