Finding the Third Proportional to 456,610.50 and 727,198

Step by Step Solution

1. Step 1: Write the proportion equation
   456,610.50 : 727,198 = 727,198 : x
2. Step 2: Convert to fraction form
   456,610.50/727,198 = 727,198/x
3. Step 3: Cross multiply
   456,610.50x = 727,198 × 727,198
4. Step 4: Simplify right side
   456,610.50x = 528,816,931,204
5. Step 5: Solve for x
   x = 528,816,931,204/456,610.50
6. Step 6: Final answer
   x = 1,158,135.72