Finding the Third Proportional to 172,048.50 and 377,307

Step by Step Solution

1. Step 1: Write the proportion equation
   172,048.50 : 377,307 = 377,307 : x
2. Step 2: Convert to fraction form
   172,048.50/377,307 = 377,307/x
3. Step 3: Cross multiply
   172,048.50x = 377,307 × 377,307
4. Step 4: Simplify right side
   172,048.50x = 142,360,572,249
5. Step 5: Solve for x
   x = 142,360,572,249/172,048.50
6. Step 6: Final answer
   x = 827,444.43