Finding the Third Proportional to 174,870 and 270,054

Step by Step Solution

1. Step 1: Write the proportion equation
   174,870 : 270,054 = 270,054 : x
2. Step 2: Convert to fraction form
   174,870/270,054 = 270,054/x
3. Step 3: Cross multiply
   174,870x = 270,054 × 270,054
4. Step 4: Simplify right side
   174,870x = 72,929,162,916
5. Step 5: Solve for x
   x = 72,929,162,916/174,870
6. Step 6: Final answer
   x = 417,047.88