Finding the Third Proportional to 127,143 and 276,426

Step by Step Solution

1. Step 1: Write the proportion equation
   127,143 : 276,426 = 276,426 : x
2. Step 2: Convert to fraction form
   127,143/276,426 = 276,426/x
3. Step 3: Cross multiply
   127,143x = 276,426 × 276,426
4. Step 4: Simplify right side
   127,143x = 76,411,333,476
5. Step 5: Solve for x
   x = 76,411,333,476/127,143
6. Step 6: Final answer
   x = 600,987.34