Finding the Third Proportional to 127,492 and 280,150

Step by Step Solution

1. Step 1: Write the proportion equation
   127,492 : 280,150 = 280,150 : x
2. Step 2: Convert to fraction form
   127,492/280,150 = 280,150/x
3. Step 3: Cross multiply
   127,492x = 280,150 × 280,150
4. Step 4: Simplify right side
   127,492x = 78,484,022,500
5. Step 5: Solve for x
   x = 78,484,022,500/127,492
6. Step 6: Final answer
   x = 615,599.59