Finding the Third Proportional to 174,150 and 355,680

Step by Step Solution

1. Step 1: Write the proportion equation
   174,150 : 355,680 = 355,680 : x
2. Step 2: Convert to fraction form
   174,150/355,680 = 355,680/x
3. Step 3: Cross multiply
   174,150x = 355,680 × 355,680
4. Step 4: Simplify right side
   174,150x = 126,508,262,400
5. Step 5: Solve for x
   x = 126,508,262,400/174,150
6. Step 6: Final answer
   x = 726,432.74