Finding the Third Proportional to 127,836 and 200,124

Step by Step Solution

1. Step 1: Write the proportion equation
   127,836 : 200,124 = 200,124 : x
2. Step 2: Convert to fraction form
   127,836/200,124 = 200,124/x
3. Step 3: Cross multiply
   127,836x = 200,124 × 200,124
4. Step 4: Simplify right side
   127,836x = 40,049,615,376
5. Step 5: Solve for x
   x = 40,049,615,376/127,836
6. Step 6: Final answer
   x = 313,289.02