Finding the Third Proportional to 174,559.50 and 266,912

Step by Step Solution

1. Step 1: Write the proportion equation
   174,559.50 : 266,912 = 266,912 : x
2. Step 2: Convert to fraction form
   174,559.50/266,912 = 266,912/x
3. Step 3: Cross multiply
   174,559.50x = 266,912 × 266,912
4. Step 4: Simplify right side
   174,559.50x = 71,242,015,744
5. Step 5: Solve for x
   x = 71,242,015,744/174,559.50
6. Step 6: Final answer
   x = 408,124.54