Finding the Third Proportional to 144,250 and 314,744

Step by Step Solution

1. Step 1: Write the proportion equation
   144,250 : 314,744 = 314,744 : x
2. Step 2: Convert to fraction form
   144,250/314,744 = 314,744/x
3. Step 3: Cross multiply
   144,250x = 314,744 × 314,744
4. Step 4: Simplify right side
   144,250x = 99,063,785,536
5. Step 5: Solve for x
   x = 99,063,785,536/144,250
6. Step 6: Final answer
   x = 686,750.68