Finding the Third Proportional to 127,399.50 and 269,973

Step by Step Solution

1. Step 1: Write the proportion equation
   127,399.50 : 269,973 = 269,973 : x
2. Step 2: Convert to fraction form
   127,399.50/269,973 = 269,973/x
3. Step 3: Cross multiply
   127,399.50x = 269,973 × 269,973
4. Step 4: Simplify right side
   127,399.50x = 72,885,420,729
5. Step 5: Solve for x
   x = 72,885,420,729/127,399.50
6. Step 6: Final answer
   x = 572,101.31