Finding the Third Proportional to 172,073 and 377,383

Step by Step Solution

1. Step 1: Write the proportion equation
   172,073 : 377,383 = 377,383 : x
2. Step 2: Convert to fraction form
   172,073/377,383 = 377,383/x
3. Step 3: Cross multiply
   172,073x = 377,383 × 377,383
4. Step 4: Simplify right side
   172,073x = 142,417,928,689
5. Step 5: Solve for x
   x = 142,417,928,689/172,073
6. Step 6: Final answer
   x = 827,659.94