Finding the Third Proportional to 485,538 and 735,054

Step by Step Solution

1. Step 1: Write the proportion equation
   485,538 : 735,054 = 735,054 : x
2. Step 2: Convert to fraction form
   485,538/735,054 = 735,054/x
3. Step 3: Cross multiply
   485,538x = 735,054 × 735,054
4. Step 4: Simplify right side
   485,538x = 540,304,382,916
5. Step 5: Solve for x
   x = 540,304,382,916/485,538
6. Step 6: Final answer
   x = 1,112,795.26