Finding the Third Proportional to 174,874.50 and 270,040

Step by Step Solution

1. Step 1: Write the proportion equation
   174,874.50 : 270,040 = 270,040 : x
2. Step 2: Convert to fraction form
   174,874.50/270,040 = 270,040/x
3. Step 3: Cross multiply
   174,874.50x = 270,040 × 270,040
4. Step 4: Simplify right side
   174,874.50x = 72,921,601,600
5. Step 5: Solve for x
   x = 72,921,601,600/174,874.50
6. Step 6: Final answer
   x = 416,993.91