Finding the Third Proportional to 127,822 and 280,492

Step by Step Solution

1. Step 1: Write the proportion equation
   127,822 : 280,492 = 280,492 : x
2. Step 2: Convert to fraction form
   127,822/280,492 = 280,492/x
3. Step 3: Cross multiply
   127,822x = 280,492 × 280,492
4. Step 4: Simplify right side
   127,822x = 78,675,762,064
5. Step 5: Solve for x
   x = 78,675,762,064/127,822
6. Step 6: Final answer
   x = 615,510.34