Finding the Third Proportional to 274,858.50 and 596,718

Step by Step Solution

1. Step 1: Write the proportion equation
   274,858.50 : 596,718 = 596,718 : x
2. Step 2: Convert to fraction form
   274,858.50/596,718 = 596,718/x
3. Step 3: Cross multiply
   274,858.50x = 596,718 × 596,718
4. Step 4: Simplify right side
   274,858.50x = 356,072,371,524
5. Step 5: Solve for x
   x = 356,072,371,524/274,858.50
6. Step 6: Final answer
   x = 1,295,475.20