Finding the Third Proportional to 127,593.50 and 274,685

Step by Step Solution

1. Step 1: Write the proportion equation
   127,593.50 : 274,685 = 274,685 : x
2. Step 2: Convert to fraction form
   127,593.50/274,685 = 274,685/x
3. Step 3: Cross multiply
   127,593.50x = 274,685 × 274,685
4. Step 4: Simplify right side
   127,593.50x = 75,451,849,225
5. Step 5: Solve for x
   x = 75,451,849,225/127,593.50
6. Step 6: Final answer
   x = 591,345.56