Finding the Third Proportional to 204,055.50 and 316,740

Step by Step Solution

1. Step 1: Write the proportion equation
   204,055.50 : 316,740 = 316,740 : x
2. Step 2: Convert to fraction form
   204,055.50/316,740 = 316,740/x
3. Step 3: Cross multiply
   204,055.50x = 316,740 × 316,740
4. Step 4: Simplify right side
   204,055.50x = 100,324,227,600
5. Step 5: Solve for x
   x = 100,324,227,600/204,055.50
6. Step 6: Final answer
   x = 491,651.67