Finding the Third Proportional to 491,395.50 and 740,556

Step by Step Solution

1. Step 1: Write the proportion equation
   491,395.50 : 740,556 = 740,556 : x
2. Step 2: Convert to fraction form
   491,395.50/740,556 = 740,556/x
3. Step 3: Cross multiply
   491,395.50x = 740,556 × 740,556
4. Step 4: Simplify right side
   491,395.50x = 548,423,189,136
5. Step 5: Solve for x
   x = 548,423,189,136/491,395.50
6. Step 6: Final answer
   x = 1,116,052.53