Finding the Third Proportional to 237,003.50 and 518,346.50

Step by Step Solution

1. Step 1: Write the proportion equation
   237,003.50 : 518,346.50 = 518,346.50 : x
2. Step 2: Convert to fraction form
   237,003.50/518,346.50 = 518,346.50/x
3. Step 3: Cross multiply
   237,003.50x = 518,346.50 × 518,346.50
4. Step 4: Simplify right side
   237,003.50x = 268,683,094,062.25
5. Step 5: Solve for x
   x = 268,683,094,062.25/237,003.50
6. Step 6: Final answer
   x = 1,133,667.20