Finding the Third Proportional to 172,004.50 and 364,907

Step by Step Solution

1. Step 1: Write the proportion equation
   172,004.50 : 364,907 = 364,907 : x
2. Step 2: Convert to fraction form
   172,004.50/364,907 = 364,907/x
3. Step 3: Cross multiply
   172,004.50x = 364,907 × 364,907
4. Step 4: Simplify right side
   172,004.50x = 133,157,118,649
5. Step 5: Solve for x
   x = 133,157,118,649/172,004.50
6. Step 6: Final answer
   x = 774,149.04