Finding the Third Proportional to 127,103.50 and 276,340

Step by Step Solution

1. Step 1: Write the proportion equation
   127,103.50 : 276,340 = 276,340 : x
2. Step 2: Convert to fraction form
   127,103.50/276,340 = 276,340/x
3. Step 3: Cross multiply
   127,103.50x = 276,340 × 276,340
4. Step 4: Simplify right side
   127,103.50x = 76,363,795,600
5. Step 5: Solve for x
   x = 76,363,795,600/127,103.50
6. Step 6: Final answer
   x = 600,800.10