Finding the Third Proportional to 127,432.50 and 277,017

Step by Step Solution

1. Step 1: Write the proportion equation
   127,432.50 : 277,017 = 277,017 : x
2. Step 2: Convert to fraction form
   127,432.50/277,017 = 277,017/x
3. Step 3: Cross multiply
   127,432.50x = 277,017 × 277,017
4. Step 4: Simplify right side
   127,432.50x = 76,738,418,289
5. Step 5: Solve for x
   x = 76,738,418,289/127,432.50
6. Step 6: Final answer
   x = 602,188.75