Finding the Third Proportional to 127,018.50 and 270,907.50

Step by Step Solution

1. Step 1: Write the proportion equation
   127,018.50 : 270,907.50 = 270,907.50 : x
2. Step 2: Convert to fraction form
   127,018.50/270,907.50 = 270,907.50/x
3. Step 3: Cross multiply
   127,018.50x = 270,907.50 × 270,907.50
4. Step 4: Simplify right side
   127,018.50x = 73,390,873,556.25
5. Step 5: Solve for x
   x = 73,390,873,556.25/127,018.50
6. Step 6: Final answer
   x = 577,796.73