Finding the Third Proportional to 203,085.05 and 316,272.82

Step by Step Solution

1. Step 1: Write the proportion equation
   203,085.05 : 316,272.82 = 316,272.82 : x
2. Step 2: Convert to fraction form
   203,085.05/316,272.82 = 316,272.82/x
3. Step 3: Cross multiply
   203,085.05x = 316,272.82 × 316,272.82
4. Step 4: Simplify right side
   203,085.05x = 100,028,494,638.85
5. Step 5: Solve for x
   x = 100,028,494,638.85/203,085.05
6. Step 6: Final answer
   x = 492,544.83