Finding the Third Proportional to 174,492 and 268,380

Step by Step Solution

1. Step 1: Write the proportion equation
   174,492 : 268,380 = 268,380 : x
2. Step 2: Convert to fraction form
   174,492/268,380 = 268,380/x
3. Step 3: Cross multiply
   174,492x = 268,380 × 268,380
4. Step 4: Simplify right side
   174,492x = 72,027,824,400
5. Step 5: Solve for x
   x = 72,027,824,400/174,492
6. Step 6: Final answer
   x = 412,785.83