Finding the Third Proportional to 491,115.25 and 738,500.50

Step by Step Solution

1. Step 1: Write the proportion equation
   491,115.25 : 738,500.50 = 738,500.50 : x
2. Step 2: Convert to fraction form
   491,115.25/738,500.50 = 738,500.50/x
3. Step 3: Cross multiply
   491,115.25x = 738,500.50 × 738,500.50
4. Step 4: Simplify right side
   491,115.25x = 545,382,988,500.25
5. Step 5: Solve for x
   x = 545,382,988,500.25/491,115.25
6. Step 6: Final answer
   x = 1,110,498.99