Finding the Third Proportional to 127,172 and 271,732

Step by Step Solution

1. Step 1: Write the proportion equation
   127,172 : 271,732 = 271,732 : x
2. Step 2: Convert to fraction form
   127,172/271,732 = 271,732/x
3. Step 3: Cross multiply
   127,172x = 271,732 × 271,732
4. Step 4: Simplify right side
   127,172x = 73,838,279,824
5. Step 5: Solve for x
   x = 73,838,279,824/127,172
6. Step 6: Final answer
   x = 580,617.43