Finding the Third Proportional to 174,554.50 and 266,908

Step by Step Solution

1. Step 1: Write the proportion equation
   174,554.50 : 266,908 = 266,908 : x
2. Step 2: Convert to fraction form
   174,554.50/266,908 = 266,908/x
3. Step 3: Cross multiply
   174,554.50x = 266,908 × 266,908
4. Step 4: Simplify right side
   174,554.50x = 71,239,880,464
5. Step 5: Solve for x
   x = 71,239,880,464/174,554.50
6. Step 6: Final answer
   x = 408,124.00