Finding the Third Proportional to 174,555 and 266,908.50

Step by Step Solution

1. Step 1: Write the proportion equation
   174,555 : 266,908.50 = 266,908.50 : x
2. Step 2: Convert to fraction form
   174,555/266,908.50 = 266,908.50/x
3. Step 3: Cross multiply
   174,555x = 266,908.50 × 266,908.50
4. Step 4: Simplify right side
   174,555x = 71,240,147,372.25
5. Step 5: Solve for x
   x = 71,240,147,372.25/174,555
6. Step 6: Final answer
   x = 408,124.36