Finding the Third Proportional to 485,466.50 and 753,760

Step by Step Solution

1. Step 1: Write the proportion equation
   485,466.50 : 753,760 = 753,760 : x
2. Step 2: Convert to fraction form
   485,466.50/753,760 = 753,760/x
3. Step 3: Cross multiply
   485,466.50x = 753,760 × 753,760
4. Step 4: Simplify right side
   485,466.50x = 568,154,137,600
5. Step 5: Solve for x
   x = 568,154,137,600/485,466.50
6. Step 6: Final answer
   x = 1,170,326.15