Finding the Third Proportional to 171,990.50 and 364,795

Step by Step Solution

1. Step 1: Write the proportion equation
   171,990.50 : 364,795 = 364,795 : x
2. Step 2: Convert to fraction form
   171,990.50/364,795 = 364,795/x
3. Step 3: Cross multiply
   171,990.50x = 364,795 × 364,795
4. Step 4: Simplify right side
   171,990.50x = 133,075,392,025
5. Step 5: Solve for x
   x = 133,075,392,025/171,990.50
6. Step 6: Final answer
   x = 773,736.88