Finding the Third Proportional to 127,123.50 and 276,116

Step by Step Solution

1. Step 1: Write the proportion equation
   127,123.50 : 276,116 = 276,116 : x
2. Step 2: Convert to fraction form
   127,123.50/276,116 = 276,116/x
3. Step 3: Cross multiply
   127,123.50x = 276,116 × 276,116
4. Step 4: Simplify right side
   127,123.50x = 76,240,045,456
5. Step 5: Solve for x
   x = 76,240,045,456/127,123.50
6. Step 6: Final answer
   x = 599,732.11