Finding the Third Proportional to 321,028.50 and 497,774

Step by Step Solution

1. Step 1: Write the proportion equation
   321,028.50 : 497,774 = 497,774 : x
2. Step 2: Convert to fraction form
   321,028.50/497,774 = 497,774/x
3. Step 3: Cross multiply
   321,028.50x = 497,774 × 497,774
4. Step 4: Simplify right side
   321,028.50x = 247,778,955,076
5. Step 5: Solve for x
   x = 247,778,955,076/321,028.50
6. Step 6: Final answer
   x = 771,828.53