Finding the Third Proportional to 123,313.50 and 269,460

Step by Step Solution

1. Step 1: Write the proportion equation
   123,313.50 : 269,460 = 269,460 : x
2. Step 2: Convert to fraction form
   123,313.50/269,460 = 269,460/x
3. Step 3: Cross multiply
   123,313.50x = 269,460 × 269,460
4. Step 4: Simplify right side
   123,313.50x = 72,608,691,600
5. Step 5: Solve for x
   x = 72,608,691,600/123,313.50
6. Step 6: Final answer
   x = 588,813.81