Finding the Third Proportional to 127,606.50 and 274,713.50

Step by Step Solution

1. Step 1: Write the proportion equation
   127,606.50 : 274,713.50 = 274,713.50 : x
2. Step 2: Convert to fraction form
   127,606.50/274,713.50 = 274,713.50/x
3. Step 3: Cross multiply
   127,606.50x = 274,713.50 × 274,713.50
4. Step 4: Simplify right side
   127,606.50x = 75,467,507,082.25
5. Step 5: Solve for x
   x = 75,467,507,082.25/127,606.50
6. Step 6: Final answer
   x = 591,408.02