Finding the Third Proportional to 497,556 and 745,549.50

Step by Step Solution

1. Step 1: Write the proportion equation
   497,556 : 745,549.50 = 745,549.50 : x
2. Step 2: Convert to fraction form
   497,556/745,549.50 = 745,549.50/x
3. Step 3: Cross multiply
   497,556x = 745,549.50 × 745,549.50
4. Step 4: Simplify right side
   497,556x = 555,844,056,950.25
5. Step 5: Solve for x
   x = 555,844,056,950.25/497,556
6. Step 6: Final answer
   x = 1,117,148.74