Finding the Third Proportional to 127,003.50 and 273,123

Step by Step Solution

1. Step 1: Write the proportion equation
   127,003.50 : 273,123 = 273,123 : x
2. Step 2: Convert to fraction form
   127,003.50/273,123 = 273,123/x
3. Step 3: Cross multiply
   127,003.50x = 273,123 × 273,123
4. Step 4: Simplify right side
   127,003.50x = 74,596,173,129
5. Step 5: Solve for x
   x = 74,596,173,129/127,003.50
6. Step 6: Final answer
   x = 587,355.26