Finding the Third Proportional to 365,238 and 740,520

Step by Step Solution

1. Step 1: Write the proportion equation
   365,238 : 740,520 = 740,520 : x
2. Step 2: Convert to fraction form
   365,238/740,520 = 740,520/x
3. Step 3: Cross multiply
   365,238x = 740,520 × 740,520
4. Step 4: Simplify right side
   365,238x = 548,369,870,400
5. Step 5: Solve for x
   x = 548,369,870,400/365,238
6. Step 6: Final answer
   x = 1,501,404.21