Finding the Third Proportional to 237,003 and 518,345.50

Step by Step Solution

1. Step 1: Write the proportion equation
   237,003 : 518,345.50 = 518,345.50 : x
2. Step 2: Convert to fraction form
   237,003/518,345.50 = 518,345.50/x
3. Step 3: Cross multiply
   237,003x = 518,345.50 × 518,345.50
4. Step 4: Simplify right side
   237,003x = 268,682,057,370.25
5. Step 5: Solve for x
   x = 268,682,057,370.25/237,003
6. Step 6: Final answer
   x = 1,133,665.22