Finding the Third Proportional to 438,588 and 960,936.75

Step by Step Solution

1. Step 1: Write the proportion equation
   438,588 : 960,936.75 = 960,936.75 : x
2. Step 2: Convert to fraction form
   438,588/960,936.75 = 960,936.75/x
3. Step 3: Cross multiply
   438,588x = 960,936.75 × 960,936.75
4. Step 4: Simplify right side
   438,588x = 923,399,437,500.56
5. Step 5: Solve for x
   x = 923,399,437,500.56/438,588
6. Step 6: Final answer
   x = 2,105,391.48