Finding the Third Proportional to 638,614.50 and 960,588

Step by Step Solution

1. Step 1: Write the proportion equation
   638,614.50 : 960,588 = 960,588 : x
2. Step 2: Convert to fraction form
   638,614.50/960,588 = 960,588/x
3. Step 3: Cross multiply
   638,614.50x = 960,588 × 960,588
4. Step 4: Simplify right side
   638,614.50x = 922,729,305,744
5. Step 5: Solve for x
   x = 922,729,305,744/638,614.50
6. Step 6: Final answer
   x = 1,444,892.51