Finding the Third Proportional to 174,078 and 234,872

Step by Step Solution

1. Step 1: Write the proportion equation
   174,078 : 234,872 = 234,872 : x
2. Step 2: Convert to fraction form
   174,078/234,872 = 234,872/x
3. Step 3: Cross multiply
   174,078x = 234,872 × 234,872
4. Step 4: Simplify right side
   174,078x = 55,164,856,384
5. Step 5: Solve for x
   x = 55,164,856,384/174,078
6. Step 6: Final answer
   x = 316,897.35