Finding the Third Proportional to 440,940.38 and 659,689.31

Step by Step Solution

1. Step 1: Write the proportion equation
   440,940.38 : 659,689.31 = 659,689.31 : x
2. Step 2: Convert to fraction form
   440,940.38/659,689.31 = 659,689.31/x
3. Step 3: Cross multiply
   440,940.38x = 659,689.31 × 659,689.31
4. Step 4: Simplify right side
   440,940.38x = 435,189,989,026.72
5. Step 5: Solve for x
   x = 435,189,989,026.72/440,940.38
6. Step 6: Final answer
   x = 986,958.81