Finding the Third Proportional to 127,342 and 280,112

Step by Step Solution

1. Step 1: Write the proportion equation
   127,342 : 280,112 = 280,112 : x
2. Step 2: Convert to fraction form
   127,342/280,112 = 280,112/x
3. Step 3: Cross multiply
   127,342x = 280,112 × 280,112
4. Step 4: Simplify right side
   127,342x = 78,462,732,544
5. Step 5: Solve for x
   x = 78,462,732,544/127,342
6. Step 6: Final answer
   x = 616,157.53