Finding the Third Proportional to 237,109 and 355,667

Step by Step Solution

1. Step 1: Write the proportion equation
   237,109 : 355,667 = 355,667 : x
2. Step 2: Convert to fraction form
   237,109/355,667 = 355,667/x
3. Step 3: Cross multiply
   237,109x = 355,667 × 355,667
4. Step 4: Simplify right side
   237,109x = 126,499,014,889
5. Step 5: Solve for x
   x = 126,499,014,889/237,109
6. Step 6: Final answer
   x = 533,505.75