Finding the Third Proportional to 268,535.25 and 376,434

Step by Step Solution

1. Step 1: Write the proportion equation
   268,535.25 : 376,434 = 376,434 : x
2. Step 2: Convert to fraction form
   268,535.25/376,434 = 376,434/x
3. Step 3: Cross multiply
   268,535.25x = 376,434 × 376,434
4. Step 4: Simplify right side
   268,535.25x = 141,702,556,356
5. Step 5: Solve for x
   x = 141,702,556,356/268,535.25
6. Step 6: Final answer
   x = 527,686.98