Finding the Third Proportional to 268,216.31 and 375,928.59

Step by Step Solution

1. Step 1: Write the proportion equation
   268,216.31 : 375,928.59 = 375,928.59 : x
2. Step 2: Convert to fraction form
   268,216.31/375,928.59 = 375,928.59/x
3. Step 3: Cross multiply
   268,216.31x = 375,928.59 × 375,928.59
4. Step 4: Simplify right side
   268,216.31x = 141,322,307,598.85
5. Step 5: Solve for x
   x = 141,322,307,598.85/268,216.31
6. Step 6: Final answer
   x = 526,896.77