Finding the Third Proportional to 172,018.50 and 364,935

Step by Step Solution

1. Step 1: Write the proportion equation
   172,018.50 : 364,935 = 364,935 : x
2. Step 2: Convert to fraction form
   172,018.50/364,935 = 364,935/x
3. Step 3: Cross multiply
   172,018.50x = 364,935 × 364,935
4. Step 4: Simplify right side
   172,018.50x = 133,177,554,225
5. Step 5: Solve for x
   x = 133,177,554,225/172,018.50
6. Step 6: Final answer
   x = 774,204.83