Finding the Third Proportional to 127,090.50 and 250,991.25

Step by Step Solution

1. Step 1: Write the proportion equation
   127,090.50 : 250,991.25 = 250,991.25 : x
2. Step 2: Convert to fraction form
   127,090.50/250,991.25 = 250,991.25/x
3. Step 3: Cross multiply
   127,090.50x = 250,991.25 × 250,991.25
4. Step 4: Simplify right side
   127,090.50x = 62,996,607,576.56
5. Step 5: Solve for x
   x = 62,996,607,576.56/127,090.50
6. Step 6: Final answer
   x = 495,683.06